CN112726740B - Tap water supply equipment - Google Patents

Tap water supply equipment Download PDF

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Publication number
CN112726740B
CN112726740B CN202110075069.0A CN202110075069A CN112726740B CN 112726740 B CN112726740 B CN 112726740B CN 202110075069 A CN202110075069 A CN 202110075069A CN 112726740 B CN112726740 B CN 112726740B
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China
Prior art keywords
piston
medicine
piston rod
water supply
water
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Application number
CN202110075069.0A
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Chinese (zh)
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CN112726740A (en
Inventor
夏春福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Etit Smart Water Technology Co ltd
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Etit Smart Water Technology Co ltd
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Priority to CN202110075069.0A priority Critical patent/CN112726740B/en
Publication of CN112726740A publication Critical patent/CN112726740A/en
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B11/00—Arrangements or adaptations of tanks for water supply
    • E03B11/10—Arrangements or adaptations of tanks for water supply for public or like main water supply
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/07—Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • E03B7/074—Arrangement of water treatment devices
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/09—Component parts or accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/025—Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/06—Venting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/04—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
    • F04B7/06—Piston machines or pumps characterised by having positively-driven valving in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports the pistons and cylinders being relatively reciprocated and rotated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The application provides tap water supply equipment, which comprises a water tank and a medicine pool, wherein a medicine adding device and a water outlet are arranged on the water tank; a turbine is arranged in the water outlet; the medicine adding device comprises a piston sleeve, a piston and a piston rod; the top of the piston sleeve is provided with a sealing cover, and one side of the piston sleeve is provided with a medicine discharging port; the seal cover is provided with an air hole and a medicine suction pipe connected with the medicine pool; the piston rod penetrates through the sealing cover and is linked with the turbine through a gear assembly; the piston rod is also provided with an annular lifting groove which is matched with the fixed rod and used for controlling the piston to reciprocate; the piston is provided with a matched sealing column corresponding to the air holes. According to the technical scheme provided by the embodiment of the application, the annular lifting groove is formed in the piston rod, and the rotating piston rod can be in reciprocating lifting motion by matching with the fixed rod, so that the piston is driven to suck the liquid medicine in the medicine pool into the piston sleeve and put into the water tank; and the turbine driving the piston rod to rotate is arranged at the water outlet, so that the lifting period of the piston rod can be linked with the water yield.

Description

Tap water supply equipment
Technical Field
The application relates to the technical field of water supply equipment, in particular to tap water supply equipment.
Background
The secondary water supply equipment is directly connected with the municipal tap water pipe network, and simultaneously, the secondary water supply equipment does not produce any side effect on the municipal pipe network, and is ideal and energy-saving. The water supply device directly folds and presses water supply on the basis of municipal pipe network pressure, saves energy, and has the advantages of full sealing, no pollution, small volume, reliable operation, convenient maintenance and the like. Is the water supply equipment which is finally connected with a user pipe network in many high-rise buildings.
However, municipal pipe networks are continuously established along with the development of cities, and after some old pipe networks are used for a long time, dirt is accumulated on the inner walls of water pipes or organisms are attached and bred, so that the water quality is polluted; meanwhile, water leakage and other reasons can also have adverse effects on water quality. The existing secondary water supply equipment only has a single water supply function and cannot improve the water quality, so that the quality of tap water finally obtained by a user is poor.
With the increasing demand of citizens on the quality of tap water, how to provide a secondary water supply device to improve the quality of water again before supplying water to a user pipe network becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above-mentioned drawbacks or deficiencies in the prior art, it would be desirable to provide a mains water supply.
The application provides tap water supply equipment, which comprises a water tank and a medicine pool, and is characterized in that a medicine adding device and a water outlet are arranged on the water tank; a turbine is arranged in the water outlet; the medicine adding device comprises a piston sleeve, a piston and a piston rod; the top of the piston sleeve is provided with a sealing cover, and one side of the piston sleeve is provided with a medicine discharging port; the seal cover is provided with an air hole and a medicine suction pipe connected with the medicine pool; the piston rod penetrates through the sealing cover and is linked with the turbine through a gear assembly; the piston rod is also provided with an annular lifting groove which is matched with the fixed rod and used for controlling the piston to reciprocate; the piston is provided with a matched sealing column corresponding to the air holes.
Further, the liquid level in the medicine pool is relatively lower than the plane of the sealing cover.
Further, the cross section of the piston is non-circular, and the piston is limited to rotate along the axis direction of the piston rod.
Furthermore, one end of the sealing column, which is far away from the piston, is arc-shaped; when the piston reaches the maximum stroke, the sealing column is separated from the air hole.
Further, the medicine discharging port is positioned at the maximum stroke of the piston; when the piston reaches the maximum stroke, the medicine discharging port is completely opened.
Further, the device also comprises a water injection motor; the start and stop of the water injection motor are respectively controlled by a sensor; the sensors are respectively positioned at a high water level warning line and a low water level warning line of the water tank.
Further, the gear assembly comprises a first bevel gear and a first gear which are coaxially mounted; a second gear butted with the first gear is arranged on the piston rod; the first bevel gear is butted with the second bevel gear; the second bevel gear is mounted coaxially with the turbine.
The application has the advantages and positive effects that:
according to the technical scheme, the annular lifting groove is formed in the piston rod, and the rotating piston rod can be in reciprocating lifting motion by matching with the fixed rod, so that the piston is driven to suck liquid medicine in the medicine pool into the piston sleeve and put into the water tank; and the turbine driving the piston rod to rotate is arranged at the water outlet, so that the lifting period of the piston rod can be linked with the water yield, automatic dosing is realized, and the precision is also ensured.
Furthermore, the water supply is controlled by the sensor arranged at the water level warning line, and the dosing period of the dosing device is matched, so that the equal amount of medicine can be ensured to be put into the equal amount of water every time, and the dosing precision is also improved.
Furthermore, the air holes are formed in the sealing cover and matched with the sealing columns on the piston, the piston sleeve is internally sealed in space during medicine suction, and the air holes are opened during medicine discharge, so that the medicine discharge speed can be increased, the medicine in the medicine pool can be prevented from being continuously sucked, and the medicine feeding precision can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a tap water supply apparatus provided in an embodiment of the present application;
FIG. 2 is a schematic structural view of a gear assembly of a tap water supply apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural view of a disinfection device of tap water supply equipment according to an embodiment of the present application.
The text labels in the figures are represented as: 100-a water tank; 110-a water outlet; 111-a turbine; 120-a water injection motor; 121-a sensor; 200-medicine pool; 300-a piston sleeve; 301-a medicine discharge port; 310-a piston; 311-a sealing column; 320-a piston rod; 321-an annular lifting groove; 322-a fixation rod; 330-sealing cover; 331-air holes; 332-a medicine suction pipe; 400-a first bevel gear; 410-a first gear; 420-a second gear; 430-second bevel gear; 500-barrel; 502-a third magnet; 510-an inlet; 520-an outlet; 530-ultraviolet lamp tube; 540-quartz tube; 550-a cleaning sleeve; 551-resistance plate; 552-a first magnet; 560-spring.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Referring to fig. 1, the present embodiment provides a tap water supply apparatus, including a water tank 100 and a medicine tank 200; the top of the water tank 100 is provided with a piston sleeve 300 communicated with the inside; the top of the piston sleeve 300 is provided with a sealing cover 330, the inside of the piston sleeve is provided with a piston 310, and one side of the piston sleeve close to the bottom is provided with a medicine discharge port 301; the medicine discharge port 301 is positioned in the water tank 100; a piston rod 320 is rotatably arranged on the piston 310; the end of the piston rod 320 far away from the piston 310 passes through the sealing cover 330 and is positioned outside the piston sleeve 300; the sealing cover 330 is provided with corresponding through holes corresponding to the sealing rod 320, and a medicine suction pipe 332 is connected between the sealing cover and the medicine pool 200; a sealing device is arranged between the through hole and the sealing rod 320.
In a preferred embodiment, the sealing cap 330 is further provided with an air hole 331, and the piston 310 is provided with a sealing post 311 corresponding to the air hole 331; when the piston 310 is located at the maximum stroke near one end of the cover 330, the sealing post 311 is located in the ventilation hole 331, and a sealed cavity is formed between the piston 310 and the cover 330, so that the liquid medicine in the medicine pool 200 can be sucked into the piston sleeve 300.
In a preferred embodiment, the discharge port 301 is located at the maximum travel of the end of the piston 310 away from the cap 330; when the piston 310 moves towards the end far away from the sealing cap 330, the liquid medicine in the medicine pool 200 is sucked through the medicine suction pipe 332, when the piston 310 reaches the maximum stroke, the medicine discharge port 301 is completely exposed, and meanwhile, the sealing column 311 is also separated from the air vent 331, so that the liquid medicine in the piston sleeve 300 enters the water tank 100.
In a preferred embodiment, the level of the liquid in the reservoir 200 is relatively below the level of the closure 330; when the medicine discharge port 301 is communicated with the air hole 331, the medicine liquid in the medicine pool 200 stops being sucked into the piston sleeve 300 because of being at a lower position, so that the medicine adding amount is convenient to control.
In a preferred embodiment, the end of the sealing post 311 away from the piston 310 is curved, and when the piston 310 faces the end of the cap 330, the curved end surface is more easily inserted into the ventilation hole 331.
In a preferred embodiment, the piston sleeve 300 has a non-circular, preferably elliptical, cross-section, which ensures that the piston 310 does not rotate during sliding, and prevents the sealing post 311 from being inserted into the ventilation hole 331.
In a preferred embodiment, the piston rod 320 is further provided with an annular lifting groove 321, and the rotating piston rod 320 performs reciprocating lifting motion along the annular lifting groove 321 in cooperation with the matched fixing rod 322, so as to realize reciprocating driving of the piston 310.
In a preferred embodiment, the piston rod 320 is driven by the worm gear 111; the turbine 111 is disposed in the water outlet 110 of the water tank 100, so that the rotation speed and the number of turns of the turbine 111 are linked with the flow rate of the water tank, thereby controlling the dosing device to accurately dose the medicine into the water tank 100.
With further reference to fig. 2, in a preferred embodiment, the piston rod 320 is connected to the worm gear 111 through a gear assembly; the gear assembly comprises a first bevel gear 400 and a first gear 410 mounted coaxially; the piston rod 320 is provided with a second gear 420 butted with the first gear 410; first bevel gear 400 interfaces with second bevel gear 430; the second bevel gear 430 is mounted coaxially with the worm gear 111.
In a preferred embodiment, a gearbox can be added reasonably according to the transmission ratio requirement between the turbine 111 and the piston rod 320, so that the water storage period of the water tank 100 is the same as the dosing period.
In a preferred embodiment, the water tank 100 is further provided with a water injection port, and the water injection port is connected with the water injection motor 120; the start-stop through hole sensor 121 of the water injection motor 120 controls the start-stop through hole; the sensors 121 are respectively positioned at a high water level warning line and a low water level warning line of the water tank 100; when the water level reaches the low water level warning line, the water injection motor 120 starts to inject water, and stops when the water level reaches the high water level warning line.
Referring further to fig. 3, in a preferred embodiment, the water outlet 110 is further connected to a disinfection device; the disinfection device comprises a cylinder 500, wherein an inlet 510 and an outlet 520 are respectively arranged at two ends of the cylinder 500, an ultraviolet lamp tube 530 is arranged in the cylinder 500, and the ultraviolet lamp tube 530 is coaxial with the cylinder 500 and is fixedly connected with the cylinder 500.
In a preferred embodiment, the outer portion of the ultraviolet lamp tube 530 is further sleeved with a quartz tube 540 for protection; the quartz tube 540 is sleeved with a cleaning sleeve 550 which can slide relatively; the cleaning sleeve 550 ensures the surface of the quartz tube 540 to be clean by reciprocating along the axial direction of the quartz tube 540, thereby ensuring that the ultraviolet lamp tube 530 can effectively sterilize tap water.
In a preferred embodiment, a resistance plate 551 is rotatably mounted on the cleaning sleeve 550, the rotating shaft is arranged along the radial direction of the cleaning sleeve 550, and the resistance plate 551 is fixedly mounted on the rotating shaft; one end of the rotating shaft, which is far away from the cleaning sleeve 550, is slidably mounted on the inner wall of the cylinder 500, and the sliding direction is the same as the moving direction of the cleaning sleeve 550.
In a preferred embodiment, the resistance plates 551 are further provided with first magnets 552 at both sides of the rotation axis; the cylinder 500 is provided with a second magnet corresponding to the first magnet, and the second magnet is located at one end of the cylinder 500 close to the inlet 510 and is used for controlling the resistance plate 551 to be perpendicular to the quartz tube 540.
In a preferred embodiment, a third magnet 502 is further disposed at an end of the cylinder 500 near the outlet 520; the third magnet 502 is located in the plane of the quartz tube 540 and the rotation axis, and is used for controlling the resistance plate 551 and the quartz tube 540 to be in the same plane, so that the resistance is reduced.
In a preferred embodiment, the quartz tube 540 is further sleeved with a spring 560, and the spring 560 is located between the end face of the cylinder 500 near the outlet 520 and the cleaning sleeve 550; when cleaning cover 550 is located and is close to import 510 one end, resistance panel 551 receives the second magnet to influence the state that is perpendicular to quartz capsule 540, it can drive cleaning cover 550 to export 520 one end removal to receive the rivers impact, and compression spring 560, along with keeping away from of cleaning cover 550, resistance panel 551 receives the suction of second magnet also weak, after moving a certain position, resistance panel 551 can receive third magnet 502 to influence, be located the coplanar with quartz capsule 540, be obstructed and reduce, and the spring 560 of compression this moment can reverse the pushing back of cleaning cover 550, return the in-process, the distance of resistance panel 551 and second magnet shortens, the increase resistance that shifts continues, thereby make cleaning cover 550 carry out reciprocating motion.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other contexts without modification may be viewed as within the scope of the present application.

Claims (6)

1. A tap water supply device comprises a water tank (100), a medicine pool (200) and a water injection motor (120), and is characterized in that a medicine adding device and a water outlet (110) are arranged on the water tank (100); a turbine (111) is arranged in the water outlet (110); the medicine adding device comprises a piston sleeve (300), a piston (310) and a piston rod (320); the top of the piston sleeve (300) is provided with a sealing cover (330), and one side of the piston sleeve is provided with a medicine discharging port (301); the seal cover (330) is provided with an air hole (331) and a medicine suction pipe (332) connected with the medicine pool (200); the piston rod (320) penetrates through the sealing cover (330) and is linked with the turbine (111) through a gear assembly; the piston rod (320) is also provided with an annular lifting groove (321) which is matched with the fixing rod (322) and used for controlling the piston (310) to reciprocate; a matched sealing column (311) is arranged on the piston (310) corresponding to the air hole (331); the start and stop of the water injection motor (120) are respectively controlled by a sensor (121); the sensors (121) are respectively positioned at a high water level warning line and a low water level warning line of the water tank (100).
2. The tap water supply apparatus according to claim 1, wherein the liquid level in the chemical reservoir (200) is relatively lower than the plane of the cover (330).
3. The tap water supply apparatus according to claim 1, wherein the piston (310) has a non-circular cross-section for restricting the piston (310) from rotating in the axial direction of the piston rod (320).
4. The tap water supply apparatus according to claim 1, wherein an end of the sealing post (311) remote from the piston (310) is arc-shaped; when the piston (310) reaches the maximum stroke, the sealing column (311) is separated from the air hole (331).
5. The tap water supply apparatus according to claim 1, wherein the discharge port (301) is located at a maximum stroke of the piston (310); when the piston (310) reaches the maximum stroke, the discharge port (301) is fully opened.
6. The mains water supply apparatus according to claim 1, wherein the gear assembly comprises a first bevel gear (400) and a first gear (410) mounted coaxially; a second gear (420) which is butted with the first gear (410) is arranged on the piston rod (320); the first bevel gear (400) is butted with a second bevel gear (430); the second bevel gear (430) is mounted coaxially with the turbine (111).
CN202110075069.0A 2021-01-20 2021-01-20 Tap water supply equipment Active CN112726740B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110075069.0A CN112726740B (en) 2021-01-20 2021-01-20 Tap water supply equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110075069.0A CN112726740B (en) 2021-01-20 2021-01-20 Tap water supply equipment

Publications (2)

Publication Number Publication Date
CN112726740A CN112726740A (en) 2021-04-30
CN112726740B true CN112726740B (en) 2022-04-22

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Publication number Priority date Publication date Assignee Title
CN113731207A (en) * 2021-08-06 2021-12-03 华能巢湖发电有限责任公司 Automatic change accurate oxygenation mechanism of throwing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011074730A (en) * 2009-10-02 2011-04-14 Ogasawara Kogyosho:Kk Emergency water supply system
CN108505582B (en) * 2018-03-29 2020-04-28 重庆科创水处理设备有限公司 Automatic sterilizing secondary water supply equipment for running water
CN109095519A (en) * 2018-09-07 2018-12-28 安顺市西秀区顺大再生资源加工厂 A kind of sewage treatment chemical agent adding set
CN109699622B (en) * 2019-02-26 2021-07-02 南通市汉威机械制造有限公司 Convenient type irrigation equipment with quantitative dosing function
CN210163149U (en) * 2019-04-16 2020-03-20 无锡泽邦环保科技有限公司 Spiral center tube for integrated sewage treatment equipment
CN210855341U (en) * 2019-10-15 2020-06-26 广州三恩环保科技有限公司 Sewage treatment dosing device
CN212104337U (en) * 2020-04-30 2020-12-08 宋鑫 Secondary water supply device for high-rise building

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Effective date of registration: 20220402

Address after: 311100 1f, building 5, Kunpeng Industrial Park, No. 360, Tianmu Shanxi Road, Yuhang street, Yuhang District, Hangzhou City, Zhejiang Province

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Address before: 301700 room 602, building H2, Changyuan road international enterprise community, Wuqing Development Zone, Wuqing District, Tianjin

Applicant before: TIANJIN LEISHENG TECHNOLOGY Co.,Ltd.

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