CN112081084B - Eutrophic water treatment machine - Google Patents
Eutrophic water treatment machine Download PDFInfo
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- CN112081084B CN112081084B CN202010952979.8A CN202010952979A CN112081084B CN 112081084 B CN112081084 B CN 112081084B CN 202010952979 A CN202010952979 A CN 202010952979A CN 112081084 B CN112081084 B CN 112081084B
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- cavity
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- wall
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/04—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a eutrophic water body treatment machine, which comprises a shell, wherein a water passing cavity is arranged in the shell, a rotating cavity is arranged at the upper half part of the right side of the water passing cavity, a first motor is fixedly arranged on the upper wall of the rotating cavity, a first rotating shaft is arranged on the bottom surface of the first motor, a first bevel gear which is transversely arranged is fixedly arranged on the first rotating shaft, and a water sucking cavity is communicated and arranged above the water passing cavity; the invention has simple structure, small shape, no need of installation, almost no requirement on the working site conditions, and can be arbitrarily installed on any ship body; meanwhile, the invention can carry out controllable medicine purification on the polluted water body; the invention is also provided with the extrusion device, so that floaters such as duckweeds and the like in water can be salvaged, pressed and drained, the storage and transportation cost can be reduced, and the utilization value of the floaters can be conveniently generated.
Description
Technical Field
The invention relates to a water pollution treatment technology, in particular to a eutrophic water body treatment machine.
Background
In summer, the water eutrophication and the higher temperature easily cause the explosion of duckweed or algae in dead ponds, and the treatment method generally adopts special ships to treat the duckweed or algae, but the scheduling and using cost of the special ships is generally hard to bear for small and medium size ponds which are contracted by private persons, so the method for treating the duckweed or algae in the small and medium size ponds is generally to directly spray medicines to prevent and treat or catch the duckweed or algae manually: the direct spreading of the pesticide is a waste for the higher-value plankton such as duckweed, and the direct spreading of the pesticide cannot generate the utilization value; the manual fishing has low working efficiency, and the fished duckweeds are difficult to transport and store due to excessive water content.
Disclosure of Invention
The invention aims to provide a eutrophic water body treatment machine, which is used for overcoming the defects in the prior art.
The eutrophic water body treatment machine comprises a shell, wherein a water passing cavity is arranged in the shell, a rotating cavity is arranged at the upper half part of the right side of the water passing cavity, a first motor is fixedly arranged on the upper wall of the rotating cavity, a first rotating shaft is arranged at the bottom surface of the first motor, a first bevel gear transversely arranged is fixedly arranged on the first rotating shaft, a water sucking cavity is communicated above the water passing cavity, a water sucking device capable of sucking water into the water sucking cavity is arranged in the water sucking cavity, the water sucking device comprises a second rotating shaft rotatably connected and arranged in the right wall of the water sucking cavity, a first threaded plate extending rightwards is fixedly arranged at the left end of the second rotating shaft, the second rotating shaft extends rightwards into the rotating cavity, a second bevel gear capable of being meshed with the first bevel gear is fixedly arranged at the right end of the second rotating shaft, a second half part extruding cavity is arranged at the right side of the water passing cavity, the extrusion intracavity is equipped with the extrusion device that can suppress the dehydration with duckweed, the extrusion chamber right side is equipped with the row material chamber, it is equipped with filtration formula transmission to cross the water chamber downside, filtration formula transmission can separate water and water floater, filtration formula transmission extends to row material intracavity through the extrusion chamber right, it is equipped with the storage medicine chamber to cross the water chamber left side, be equipped with down the terminal surface in the storage medicine chamber left wall with the articulated baffle of shell left surface, a baffle can freely outwards switch so that put the medicine, it is equipped with out the medicine mouth and communicates with drainage chamber to store up medicine chamber lower extreme, go out the medicine mouth below it can automatic ration put in the automatic device of dosing of medicine to be equipped with in the drainage intracavity, the lower wall in drainage chamber is the inclined plane and has declined and run through right the drainage pipe intercommunication of shell right flank.
Optionally, the upper half part of the left side surface of the shell is provided with a protruding pipeline extending leftwards.
Optionally, filtration formula transmission is including setting firmly the outer motor No. two of lateral wall behind the shell, No. two motors are by being located sensor control in the extrusion device, No. two motors can drive rotate connect set up in the action wheel between the wall rotates before crossing the water cavity, rotate on the wall around arranging the material cavity be connected with the action wheel position is relative from the driving wheel, the action wheel with from being connected by the tailor-made conveyer belt between the driving wheel, be equipped with many cavity apertures on the tailor-made conveyer belt and be convenient for make the infiltration under water.
Optionally, extrusion device including vertically upwards link up the extrusion chamber and with axis of rotation fixed connection's reciprocal lead screw, extrusion intracavity sliding connection be equipped with reciprocal lead screw threaded connection's rectangular block, the rectangular block below is equipped with the slider, the slider can slide in the lateral wall in extrusion chamber, the slider with four spring fixed connection through the annular distribution between the rectangular block, between the purpose-made conveyer belt the bearing block has set firmly on the extrusion chamber preceding back wall, vertically be equipped with many apertures on the bearing block and be convenient for let water seepage down, the sensor is located the rectangular block downside.
Optionally, the automatic dosing device comprises a third rotating shaft which is rotatably connected with an inclined plane at the upper end of the drainage cavity, the third rotating shaft extends to the position of a drainage bend and is fixedly connected with fan blades at the bottom of the third rotating shaft, a third bevel gear is fixedly arranged on the third rotating shaft and is meshed with a fourth bevel gear fixedly arranged on a fourth rotating shaft, the left end of the fourth rotating shaft is rotatably connected to the left side wall of the drainage cavity and is positioned below the medicine outlet, and a second threaded plate is arranged at the position of the fourth rotating shaft.
The invention has the beneficial effects that: the invention has simple structure and convenient use, is used as an independent machine, does not need to be installed, basically has no requirement on a use site, and greatly reduces the dispatching expense and the use cost compared with the traditional trash cleaning boat;
the extrusion device provided by the invention can be used for pressing usable floating objects such as duckweed and the like into cakes and then collecting the cakes, thereby reducing the storage and transportation cost, facilitating the secondary utilization of the floating objects and having good economy;
the invention is also provided with an automatic drug delivery device, which can automatically deliver proper drug amount according to the water flow to purify the water body, is safe and controllable and can make the drugs fully play a role.
Drawings
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
FIG. 1 is a schematic structural view of an eutrophic water treatment machine according to the present invention;
FIG. 2 is an enlarged view of the structure at A-A in FIG. 1;
FIG. 3 is an enlarged schematic view of the filter actuator and bearing block of FIG. 1;
FIG. 4 is an enlarged schematic view of the extrusion apparatus of FIG. 1 when not in operation;
fig. 5 is an enlarged schematic view of the pressing apparatus of fig. 1 in a pressing operation.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, the eutrophic water treatment machine according to the embodiment of the present invention includes a housing 11, a water passing cavity 15 is disposed in the housing 11, a rotation cavity 14 is disposed at the upper half portion of the right side of the water passing cavity 15, a first motor 22 is fixedly disposed on the upper wall of the rotation cavity 14, a first rotation shaft 23 is mounted on the bottom surface of the first motor 22, a first bevel gear 24 transversely disposed is fixedly disposed on the first rotation shaft 23, a water drawing cavity 13 is communicated with the upper portion of the water passing cavity 15, a water drawing device 101 capable of drawing water into the water drawing cavity 13 is disposed in the water drawing cavity 13, the water drawing device 101 includes a second rotation shaft 25 rotatably connected to the right wall of the water drawing cavity 13, a first thread plate 26 extending rightward is fixedly disposed at the left end of the second rotation shaft 25, the second rotation shaft 25 extends rightward into the rotation cavity 14, and a second bevel gear capable of meshing with the first bevel gear 24 is fixedly disposed at the right end of the second rotation shaft 25 The bevel gear 27, the lower half part of the right side of the water passing cavity 15 is provided with an extrusion cavity 16, the extrusion cavity 16 is internally provided with an extrusion device 103 capable of pressing and dehydrating duckweeds, the right side of the extrusion cavity 16 is provided with a discharging cavity 19, the lower side of the water passing cavity 15 is provided with a filtering type transmission device 102, the filtering type transmission device 102 can separate water from water floating objects, the filtering type transmission device 102 rightwards extends into the discharging cavity 19 through the extrusion cavity 16, the left side of the water passing cavity 15 is provided with a medicine storage cavity 17, the left wall of the medicine storage cavity 17 is internally provided with a baffle 20 with the lower end surface hinged with the left side surface of the shell 11, the baffle 20 can be freely opened and closed outwards so as to discharge medicines, the lower end of the medicine storage cavity 17 is provided with a medicine outlet 92 and communicated with the water discharging cavity 18, the water discharging cavity 18 below the medicine outlet 92 is internally provided with an automatic medicine feeding device 104, the lower wall of the drainage chamber 18 is inclined and inclined downward to the right in communication with a drainage pipe 58 extending through the right side of the housing 11.
Preferably, the upper half portion of the left side surface of the housing 11 is provided with a protruding pipe 12 extending in the left direction for facilitating the external connection of the water pipe.
Preferably, the filtering transmission device 102 includes a second motor 28 fixedly disposed outside the rear side wall of the housing 11, the second motor 28 is controlled by a sensor 91 located in the extrusion device 103, the second motor 22 can drive a driving wheel 29 rotatably connected and disposed between the front and rear walls of the water passing cavity 15 to rotate, the front and rear walls of the discharging cavity 19 are rotatably connected and connected with a driven wheel 30 opposite to the driving wheel 29, the driving wheel 29 is connected with the driven wheel 30 by a special conveyor belt 31, the special conveyor belt 31 is provided with a plurality of hollow small holes for facilitating underwater infiltration, when the present invention is energized, the second motor 28 drives the driving wheel 29 to start rotating, the driving wheel 29 drives the special conveyor belt 31 to rotate the driven wheel 31, and when the sensor 91 is pressed and triggered, the second motor 28 stops rotating, the purpose-built conveyer belt 31 stops working, the purpose-built conveyer belt 31 stops driving, and when the sensor resets, the motor 28 passing through the second motor is electrified again to work.
Preferably, the extruding device 103 includes a reciprocating screw 52 longitudinally extending upward through the extruding chamber 16 and fixedly connected to the first rotating shaft 23, a rectangular block 53 threadedly connected to the reciprocating screw 52 is slidably connected to the extruding chamber 16, a sliding block 54 is provided below the rectangular block 53, the sliding block 54 can slide in the side wall of the extruding chamber 16, the sliding block 54 is fixedly connected to the rectangular block 53 by four springs 55 annularly distributed, a bearing block 93 is fixedly provided on the front and rear walls of the extruding chamber 16 between the special conveyor belts 31, a plurality of small holes are longitudinally provided on the bearing block 93 for allowing water to leak downward, the sensor 91 is located on the lower side surface of the rectangular block 53, when the rectangular block 53 moves to the upper end of the reciprocating screw 52, the spring 55 only bears the gravity of the sliding block 54 to cause stretching, when the rectangular block 53 moves to the lower end of the reciprocating screw 52, the sliding block 54 downwards presses the bearing block 93 through the special conveyor belt 31, the sensor 91 is pressed and triggered, the pressing device 103 can automatically control the pressing force according to the elastic force of the spring 55, the equipment is protected, and the special conveyor belt 31 stops when the pressing device 103 performs downward pressing action, so that the abrasion of the special conveyor belt 31 is reduced, and the service life is prolonged.
Preferably, the automatic drug delivery device 104 comprises a third rotating shaft 57 rotatably connected to the inclined surface 56 at the upper end of the drainage cavity 18, the third rotating shaft 57 extends to the drainage bend 58, a fan blade 59 is fixedly connected to the bottom end of the third rotating shaft 57, a third bevel gear 60 is fixedly arranged on the third rotating shaft 57, the third bevel gear 60 is engaged with a fourth bevel gear 62 fixedly arranged on a fourth rotating shaft 61, the left end of the fourth rotating shaft 61 is rotatably connected to the left side wall of the drainage cavity 18, a second threaded plate 63 is arranged at the position of the fourth rotating shaft 61 below the drug outlet 92, when the water flow enters the drainage bend 58 to drive the fan blade 59 to rotate, the fan blade 59 drives the third rotating shaft 57 to rotate, and the third rotating shaft 57 drives the fourth rotating shaft 61 to rotate through the two engaged third bevel gears 60 and fourth bevel gears 62, the fourth rotation 61 rotates to drive the second threaded plate 63 to rotate, so that the medicine in the medicine storage cavity 17 is taken out by the second threaded plate 63 through the medicine outlet 92, and the automatic medicine feeding device 104 can automatically control the dosage of the medicine according to the water drawing amount.
In the initial state, the rectangular block 53 is located at the upper end of the reciprocating screw 52, and the spring 55 is in a stretched state.
When the invention is required to work, the first motor 22 is powered on to work, the first rotating shaft 23 is driven by the motor 22 to rotate, the first rotating shaft 23 drives the second rotating shaft 25 to rotate through the first bevel gear 24 and the second bevel gear 27 which are meshed with each other, the first threaded plate 26 is driven by the second rotating shaft 25 to rotate, the polluted water body enters the water drawing cavity 13 through the rotation of the first threaded plate 26, the polluted water body finally falls on the special conveyor belt 31, floaters such as duckweeds in the polluted water body are driven by the special conveyor belt 31 to enter the extrusion device 103, water penetrates into the drainage cavity 18 through the special conveyor belt 31, the floaters such as the duckweeds enter the extrusion device 103 and are extruded downwards by the sliding block 54 after a certain period, the sensor 91 is subjected to extrusion release signals, and the filtration type transmission device 102 stops working, the floaters such as duckweed and the like are squeezed and drained into a cake shape, after a certain period of time, the rectangular block 53 is driven by the reciprocating screw rod 52 to reset upwards to drive the sliding block 54, the sensor 91 resets to enable the filtering type transmission device 102 to work, the floaters such as the cake-shaped duckweed and the like squeezed by drainage enter the drainage cavity 19 to be discharged out of the automatic dosing device, the water enters the water passing cavity and then is converged with the water squeezed out by the squeezing device 103, the water enters the drainage pipeline 58 through the inclined surface 64, and the automatic dosing device 104 is driven by the fan blades 59 to carry out quantitative dosing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a eutrophic water treatment machine, includes the shell, its characterized in that: a water passing cavity is arranged in the shell, the upper half part of the right side of the water passing cavity is provided with a rotating cavity, the upper wall of the rotating cavity is fixedly provided with a first motor, the bottom surface of the first motor is provided with a first rotating shaft, the first rotating shaft is fixedly provided with a first bevel gear which is transversely arranged, a water drawing cavity is communicated and arranged above the water passing cavity, a water drawing device capable of drawing water into the water drawing cavity is arranged in the water drawing cavity, the water drawing device comprises a second rotating shaft which is rotatably connected and arranged in the right wall of the water drawing cavity, the left end of the second rotating shaft is fixedly provided with a first threaded plate which extends rightwards, the second rotating shaft extends rightwards into the rotating cavity, the tail end of the right side of the second rotating shaft is fixedly provided with a second bevel gear which can be meshed with the first bevel gear, the lower half part of the right side of the water passing cavity is provided with a squeezing cavity, and a squeezing device capable of squeezing and dehydrating duckweed is arranged in the squeezing cavity, extrusion chamber right side is equipped with the row material chamber, it is equipped with filtration formula transmission to cross the water chamber downside, filtration formula transmission can separate water and water floater, filtration formula transmission extends to row material intracavity through the extrusion chamber right side, it is equipped with the storage medicine chamber to cross the water chamber left side, be equipped with down the terminal surface in the storage medicine chamber left wall with the articulated baffle of shell left surface, a baffle can freely outwards switch so that put the medicine, store up medicine chamber lower extreme and be equipped with out the medicine mouth and communicate with drainage chamber, it is equipped with the automatic device of dosing that can automatic ration put in the medicine to go out the medicine mouth below drainage intracavity, the lower wall that drains the chamber is the inclined plane and has declined right and run through the drainage pipe intercommunication of shell right flank.
2. The eutrophic water treatment machine of claim 1, wherein: the upper half part of the left side surface of the shell is provided with a protruding pipeline extending leftwards.
3. The eutrophic water treatment machine of claim 1, wherein: filtration formula transmission is including setting firmly the outer No. two motors of lateral wall behind the shell, No. two motors are by being located sensor control in the extrusion device, No. two motors can drive rotate connect set up in the action wheel between the wall rotates before crossing the water cavity, rotate on the wall around arranging the material cavity be connected with the action wheel position is relative from the driving wheel, the action wheel is connected by the tailor-made conveyer belt between the follow driving wheel, be equipped with many cavity apertures on the tailor-made conveyer belt and be convenient for make the infiltration under water.
4. The eutrophic water treatment machine of claim 3, wherein: extrusion device including vertically upwards link up the extrusion chamber and with axis of rotation fixed connection's reciprocal lead screw, extrusion intracavity sliding connection be equipped with reciprocal lead screw threaded connection's rectangular block, the rectangular block below is equipped with the slider, the slider can slide in the lateral wall in extrusion chamber, the slider with four spring fixed connection through the annular distribution between the rectangular block, between the purpose-made conveyer belt the bearing block has set firmly on the extrusion chamber preceding back wall, vertically be equipped with many apertures on the bearing block and be convenient for let water seepage down, the sensor is located the rectangular block downside.
5. The eutrophic water treatment machine of claim 1, wherein: the automatic dosing device comprises a third rotating shaft which is rotatably connected with an inclined plane at the upper end of the drainage cavity, the third rotating shaft extends to the position of a drainage bend and is fixedly connected with a fan blade at the bottom of the third rotating shaft, a third bevel gear is fixedly arranged on the third rotating shaft and is meshed with a fourth bevel gear fixedly arranged on a fourth rotating shaft, the left end of the fourth rotating shaft is rotatably connected to the left side wall of the drainage cavity and is positioned below the medicine outlet, and a second threaded plate is arranged at the position of the fourth rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952979.8A CN112081084B (en) | 2020-09-11 | 2020-09-11 | Eutrophic water treatment machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952979.8A CN112081084B (en) | 2020-09-11 | 2020-09-11 | Eutrophic water treatment machine |
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| Publication Number | Publication Date |
|---|---|
| CN112081084A CN112081084A (en) | 2020-12-15 |
| CN112081084B true CN112081084B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010952979.8A Active CN112081084B (en) | 2020-09-11 | 2020-09-11 | Eutrophic water treatment machine |
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| CN (1) | CN112081084B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0564661A1 (en) * | 1991-11-05 | 1993-10-13 | Seiko Epson Corporation | Micro-robot |
| CN105544486A (en) * | 2015-12-02 | 2016-05-04 | 济南草履虫电子科技有限公司 | Semi-submersible ultra-large capacity floating algae fishing apparatus |
| CN108442347A (en) * | 2018-03-09 | 2018-08-24 | 广州华立科技职业学院 | A kind of waters cleaning robot |
| CN108454779A (en) * | 2018-05-13 | 2018-08-28 | 重庆文理学院 | Marine pollution intelligently clears up ship |
| CN108482590A (en) * | 2018-02-09 | 2018-09-04 | 李四英 | A kind of hydraulic engineering floating refuse marine salvage equipment |
| CN110104858A (en) * | 2019-06-17 | 2019-08-09 | 广州金硕水晶有限公司 | A kind of noncurrent polluted water purification system |
| CN110130292A (en) * | 2019-06-03 | 2019-08-16 | 杭州红凌服饰有限公司 | A kind of steel mill amounts of sulphur contaminants discharge multisection type measurement technique |
| CN211100740U (en) * | 2019-10-26 | 2020-07-28 | 青岛星域智能科技有限公司 | Multi-functional waste material treatment and recovery device for tailoring |
-
2020
- 2020-09-11 CN CN202010952979.8A patent/CN112081084B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0564661A1 (en) * | 1991-11-05 | 1993-10-13 | Seiko Epson Corporation | Micro-robot |
| CN105544486A (en) * | 2015-12-02 | 2016-05-04 | 济南草履虫电子科技有限公司 | Semi-submersible ultra-large capacity floating algae fishing apparatus |
| CN108482590A (en) * | 2018-02-09 | 2018-09-04 | 李四英 | A kind of hydraulic engineering floating refuse marine salvage equipment |
| CN108442347A (en) * | 2018-03-09 | 2018-08-24 | 广州华立科技职业学院 | A kind of waters cleaning robot |
| CN108454779A (en) * | 2018-05-13 | 2018-08-28 | 重庆文理学院 | Marine pollution intelligently clears up ship |
| CN110130292A (en) * | 2019-06-03 | 2019-08-16 | 杭州红凌服饰有限公司 | A kind of steel mill amounts of sulphur contaminants discharge multisection type measurement technique |
| CN110104858A (en) * | 2019-06-17 | 2019-08-09 | 广州金硕水晶有限公司 | A kind of noncurrent polluted water purification system |
| CN211100740U (en) * | 2019-10-26 | 2020-07-28 | 青岛星域智能科技有限公司 | Multi-functional waste material treatment and recovery device for tailoring |
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| CN112081084A (en) | 2020-12-15 |
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Inventor after: Wu Jinduan Inventor after: Yu Tianhua Inventor before: Yu Tianhua |
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Effective date of registration: 20210630 Address after: 106, 1st floor, building 1, Juyuan East Road, Shunyi District, Beijing Applicant after: Jingshui (Beijing) Ecological Environment Management Co.,Ltd. Address before: 221000 Haiyun building, No.1, Wangling Road, Yunlong District, Xuzhou City, Jiangsu Province Applicant before: Yu Tianhua |
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