CN110979976B - Convenient industrial transportation assistor - Google Patents
Convenient industrial transportation assistor Download PDFInfo
- Publication number
- CN110979976B CN110979976B CN201911145449.6A CN201911145449A CN110979976B CN 110979976 B CN110979976 B CN 110979976B CN 201911145449 A CN201911145449 A CN 201911145449A CN 110979976 B CN110979976 B CN 110979976B
- Authority
- CN
- China
- Prior art keywords
- tensioning
- block
- fixed
- cylinder
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
The invention discloses a convenient industrial transportation assistor which comprises a cylinder, a rectangular groove, a tensioning groove, a connecting seat, a top block, oblique sliding surfaces, an upper chamfer, a tensioning block, a torsion spring, a top cover, a nut, a pre-tightening column and a tensioning reset device, wherein the upper part and the lower part of the cylinder are respectively provided with the rectangular groove and the tensioning groove with four equal angles on the circumference, the connecting seat is fixed on one side of the inner end of the tensioning groove, the top block is connected with the top block in a sliding manner along the rectangular groove, the inner side of the top block is provided with the upper oblique sliding surface and the lower oblique sliding surface, the top of the outer wall of the top block is provided with the upper chamfer, the tensioning block is arranged in the tensioning groove, one end of the torsion spring is fixed with the tensioning block, the other end of the torsion spring is fixed with the cylinder, and the tensioning block is reset through the torsion spring. The invention is very convenient for loading, unloading and transporting the tubular products and other articles with hollow cylindrical structures, saves time and labor and greatly improves the working efficiency.
Description
Technical Field
The invention relates to the field of industrial transportation, in particular to a convenient industrial transportation assistor.
Background
In the current industrial production, the transportation of large-sized tubular objects or cylindrical objects is very inconvenient, and at present, no special tool for transporting the objects with the shape is available, for example, the weight of large-sized pipes, large-sized rollers and large-sized adhesive tapes reaches hundreds of jin or even tons, the objects are in a hollow cylindrical structure, the loading, unloading and transportation are very inconvenient, time and labor are wasted, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide a convenient industrial transportation assistor to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a convenient industrial transportation assistor comprises a cylinder, a rectangular groove, a tensioning groove, a connecting seat, a top block, a slant sliding surface, an upper chamfer, a tensioning block, a torsion spring, a top cover, a screw cap, a pre-tightening column and a tensioning reset device, four rectangular grooves and tensioning grooves with equal angles are respectively formed in the upper and lower circumferences of the cylinder, a connecting seat is fixed on one side of the inner end of each tensioning groove, the top block is connected with the bottom block in a sliding way along the rectangular groove, the inner side of the top block is provided with an upper inclined sliding surface and a lower inclined sliding surface, the top of the outer wall of the top block is provided with an upper chamfer, the tension block is arranged in the tension groove, one end of the torsion spring is fixed with the tension block, the other end of the torsion spring is fixed with the cylinder, the tensioning block resets through a torsion spring, a nut is fixed to the top of the top cover, the top cover is in threaded connection with the top of the cylinder through a rotating nut, a pre-tensioning column is installed inside the cylinder, and the bottom of the cylinder is connected with a tensioning resetting device.
On the basis of the technical scheme, the pre-tightening column comprises a fixing shaft, inverted round tables, a top ring and a pull ring, the two inverted round tables are integrally formed on the outer wall of the fixing shaft, the inverted round tables are connected with an inclined sliding surface in a sliding mode, the top block expands along the radial direction of the cylinder, the top ring is fixed below the fixing shaft, and the pull ring is fixed at the bottom of the fixing shaft.
On the basis of the technical scheme, the tensioning block comprises an arc block, a connecting hole and a tensioning inclined sliding surface, the connecting hole is formed in one end of the arc block, the arc block is hinged with the connecting seat through the connecting hole, and the tensioning inclined sliding surface is formed in the inner side of the arc block.
On the basis of the technical scheme, the tensioning reset device comprises a cylinder table, ejection columns, a rotary table and spring groove compression springs, the center of the cylinder table is connected with a fixed shaft in a sliding mode, the cylinder table is connected with the bottom of a cylinder in a threaded mode, the circumference of the top surface of the cylinder table is fixedly provided with the four ejection columns, the ejection columns are connected with tensioning oblique sliding surfaces in a sliding mode, meanwhile, an arc block rotates towards the outer side of the cylinder by taking a connecting hole as the circle center, the bottom of the cylinder table is fixedly provided with the rotary table, the bottom of the rotary table is fixedly provided with the spring grooves, and the compression springs are placed in the spring grooves.
On the basis of the technical scheme, the top ring is arranged at the top of the compression spring in the spring groove and slides up and down along the inner wall of the spring groove, and the pre-tightening column is reset through the compression spring.
On the basis of the technical scheme, the outer walls of the top block and the arc block are respectively fixed with uneven anti-skidding surfaces.
On the basis of the technical scheme, the pull ring chain or the binding band is connected with a traveling crane or a forklift for transportation.
Compared with the prior art, the invention has the following advantages: when the tension resetting device is used, the tension resetting device is inserted into an inner cavity of a tubular or cylindrical object, the rotating disc of the tension resetting device can drive the jacking column to rotate through rotation, the tension block rotates towards the outer side of the cylinder, the friction force between the tension block and the inner cavity of the tubular or cylindrical object is increased, when a crane or a forklift pulls the pull ring, the cylinder cannot be pulled out of the inner cavity of the tubular or cylindrical object, the jacking block is driven to expand outwards, the contact area between the jacking block and the inner cavity of the tubular or cylindrical object is further increased, the friction force between the anti-skid surface and the inner cavity of the tubular or cylindrical object is increased, the tubular or cylindrical object can be easily lifted, and after the tension resetting device is used, the tension block and the pre-tightening column are reset through the torsion spring and the compression spring, and the next installation is facilitated. The invention is very convenient for loading, unloading and transporting the tubular products and other articles with hollow cylindrical structures, saves time and labor and greatly improves the working efficiency.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an assembly schematic of the present invention.
FIG. 4 is a schematic cross-sectional view of the cylinder, the top block and the tensioning block of the present invention.
Fig. 5 is a schematic view of the connection between the tension restoring device and the cylinder according to the present invention.
Fig. 6 is a schematic view of the connection between the pretensioning column and the tensioning resetting device according to the invention.
FIG. 7 is a schematic view of the external appearance of the cylinder of the present invention.
FIG. 8 is a schematic diagram of the appearance structure of the pre-tightening column of the present invention.
Fig. 9 is an appearance structure diagram of the tension resetting device of the invention.
Fig. 10 is a schematic view of the appearance structure of the tensioning block of the invention.
In the figure: 1. the device comprises a cylinder, 2, a rectangular groove, 3, a tensioning groove, 4, a connecting seat, 5, a top block, 6, a slant sliding surface, 7, an upper chamfer, 8, a tensioning block, 9, a torsion spring, 10, a top cover, 11, a nut, 12, a pre-tightening column, 13, a tensioning reset device, 14, a fixing shaft, 15, an inverted circular truncated cone, 16, a top ring, 17, a pull ring, 18, a circular arc block, 19, a connecting hole, 20, a tensioning slant sliding surface, 21, a cylinder table, 22, a top column, 23, a rotary table, 24, a spring groove, 25, a compression spring, 26 and an anti-slip surface.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 10, a convenient industrial transportation assistor comprises a cylinder 1, a rectangular groove 2, a tensioning groove 3, a connecting seat 4, a top block 5, inclined sliding surfaces 6, an upper chamfer 7, a tensioning block 8, a torsion spring 9, a top cover 10, a nut 11, a pre-tensioning column 12 and a tensioning reset device 13, wherein four rectangular grooves 2 and tensioning grooves 3 with equal angles are respectively formed in the upper and lower sides of the cylinder 1, the connecting seat 4 is fixed on one side of the inner end of the tensioning groove 3, the top block 5 is slidably connected along the rectangular groove 2, the upper and lower inclined sliding surfaces 6 are formed on the inner side of the top block 5, the upper chamfer 7 is formed on the top of the outer wall of the top block 5, the tensioning block 8 is installed in the tensioning groove 3, one end of the torsion spring 9 is fixed with the tensioning block 8, the other end of the torsion spring is fixed with the cylinder 1, the tensioning block 8 is reset through the torsion spring 9, the nut 11 is fixed on the top of the top cover 10, the top cover 10 is in threaded connection with the top of the cylinder 1 through rotating the nut 11, the cylinder 1 is internally provided with a pre-tightening column 12, and the bottom of the pre-tightening column is connected with a tensioning reset device 13.
The pre-tightening column 12 comprises a fixing shaft 14, an inverted round table 15, a top ring 16 and a pull ring 17, wherein the two inverted round tables 15 are integrally formed on the outer wall of the fixing shaft 14, the inverted round tables 15 are connected with an inclined sliding surface 6 in a sliding mode, a top block 5 expands along the radial direction of the cylinder 1, the top ring 16 is fixed below the fixing shaft 14, and the pull ring 17 is fixed at the bottom of the fixing shaft 14.
The tensioning block 8 comprises a circular arc block 18, a connecting hole 19 and a tensioning inclined sliding surface 20, the connecting hole 19 is formed in one end of the circular arc block 18, the circular arc block 18 is hinged to the connecting seat 4 through the connecting hole 19, and the tensioning inclined sliding surface 20 is formed in the inner side of the circular arc block 18.
The tensioning reset device 13 comprises a cylinder table 21, a top column 22, a rotary table 23, spring grooves 24 and compression springs 25, the center of the cylinder table 21 is connected with the fixed shaft 14 in a sliding mode, the cylinder table 21 is connected with the bottom of the cylinder 1 through threads, the top surfaces of the cylinder table 21 are circumferentially fixed with the four top columns 22, the top columns 22 are connected with tensioning inclined sliding surfaces 20 in a sliding mode, meanwhile, the arc block 18 rotates towards the outer side of the cylinder 1 by taking the connecting hole 19 as the circle center, the rotary table 23 is fixed at the bottom of the cylinder table 21, the spring grooves 24 are fixed at the bottom of the rotary table 23, and the compression springs 25 are placed in the spring grooves 24.
The top ring 16 is arranged at the top of a compression spring 25 in the spring groove 24 and slides up and down along the inner wall of the spring groove 24, and the pre-tightening column 12 is reset through the compression spring 25.
And uneven anti-skidding surfaces 26 are respectively fixed on the outer walls of the top block 5 and the arc block 18.
And the pull ring 17 chain or the binding band is connected with a travelling crane or a forklift for transportation.
The working principle of the invention is as follows: when the device is used, the device is inserted into an inner cavity of a tubular or cylindrical object, taking a tubular product as an example, a cylinder is inserted into the center of the tubular product, a turnplate is rotated to enable a tensioning block to expand outwards, the cylinder is prevented from being pulled out when a pre-tensioning column is pulled by a pull ring, a crane or a forklift is used for pulling the pull ring, an inverted circular truncated cone slides along an inclined sliding surface to enable a top block to expand outwards, the friction force between the top block and the inner wall of the tubular product is increased, the tubular product is lifted to be loaded and unloaded, after the pull ring is loosened, a pre-tensioning column is reset by a compression spring, and meanwhile, the tensioning block is reset by a torsion spring, so that the device is convenient to use next time.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (3)
1. The utility model provides a convenient industry transportation assistor, includes drum (1), rectangular channel (2), rises and tightly holds groove (3), connecting seat (4), kicking block (5), oblique slip surface (6), goes up chamfer (7), rises and tightly holds (8), torsion spring (9), top cap (10), nut (11), pretension post (12), rises and tightly resets (13), its characterized in that: the cylinder (1) is provided with four rectangular grooves (2) with equal angles and a tensioning groove (3) at the upper and lower parts of the circumference, a connecting seat (4) is fixed at one side of the inner end of the tensioning groove (3), the ejector block (5) is connected with the rectangular grooves (2) in a sliding manner, an upper inclined sliding surface and a lower inclined sliding surface (6) are arranged at the inner side of the ejector block (5), an upper chamfer (7) is arranged at the top of the outer wall of the ejector block (5), the tensioning block (8) is installed in the tensioning groove (3), one end of the torsion spring (9) is fixed with the tensioning block (8), the other end of the torsion spring is fixed with the cylinder (1), the tensioning block (8) is reset through the torsion spring (9), a nut (11) is fixed at the top of the top cover (10), the top cover (10) is in threaded connection with the top of the cylinder (1) through rotation of the nut (11), a pre-tightening column (12) is installed inside the cylinder (1), and the bottom of the tensioning column (13) is connected with a tensioning resetting device (13), pretension post (12) are including fixed axle (14), flip-chip round platform (15), top ring (16), pull ring (17), fixed axle (14) outer wall integrated into one piece has two flip-chip round platforms (15), flip-chip round platform (15) and oblique slip surface (6) sliding connection, and kicking block (5) are along drum (1) radial expansion simultaneously, fixed axle (14) below is fixed with top ring (16), fixed axle (14) bottom is fixed with pull ring (17), tight piece (8) are including arc piece (18), connecting hole (19), tight oblique slip surface (20) rises, connecting hole (19) have been opened to arc piece (18) one end, arc piece (18) are articulated with connecting seat (4) through connecting hole (19), arc piece (18) inboard is opened there is tight oblique slip surface (20) that rises, tight resetting means (13) include drum platform (21), A top column (22), a rotary table (23), a spring groove (24) and a compression spring (25), the center of the cylinder table (21) is connected with the fixed shaft (14) in a sliding way, the cylinder table (21) is connected with the bottom of the cylinder (1) in a threaded way, four top columns (22) are fixed on the circumference of the top surface of the cylinder table (21), the top columns (22) are connected with the tensioning inclined sliding surface (20) in a sliding manner, meanwhile, the arc block (18) rotates towards the outer side of the cylinder (1) by taking the connecting hole (19) as the center of a circle, a turntable (23) is fixed at the bottom of the cylinder table (21), a spring groove (24) is fixed at the bottom of the turntable (23), compression springs (25) are placed in the spring grooves (24), the top ring (16) is placed at the tops of the compression springs (25) in the spring grooves (24) and slides up and down along the inner walls of the spring grooves (24), and the pre-tightening columns (12) reset through the compression springs (25).
2. A portable industrial transportation aid as recited in claim 1, wherein: and uneven anti-skidding surfaces (26) are respectively fixed on the outer walls of the jacking block (5) and the circular arc block (18).
3. A portable industrial transportation aid as recited in claim 1, wherein: the pull ring (17) chain or the binding band is connected with a traveling crane or a forklift for transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145449.6A CN110979976B (en) | 2019-11-21 | 2019-11-21 | Convenient industrial transportation assistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145449.6A CN110979976B (en) | 2019-11-21 | 2019-11-21 | Convenient industrial transportation assistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110979976A CN110979976A (en) | 2020-04-10 |
| CN110979976B true CN110979976B (en) | 2021-11-16 |
Family
ID=70085402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911145449.6A Active CN110979976B (en) | 2019-11-21 | 2019-11-21 | Convenient industrial transportation assistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110979976B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015394A (en) * | 1983-06-28 | 1985-01-26 | イヴエースプーレンテヒニーク ゲーエムベーハー | Device for lifting coil, spool, etc. |
| DE10060405A1 (en) * | 2000-12-05 | 2002-06-20 | Bayerische Motoren Werke Ag | Internal grab for pipes and bores has grab elements with clamping jaws moved by thrust pieces and enclosed by ring spring |
| DE69902011T2 (en) * | 1998-03-05 | 2002-12-19 | Aeroquip Corp., Maumee | INNER ATTACKING PIPE DRAWING DEVICE |
| CN201406272Y (en) * | 2009-03-31 | 2010-02-17 | 深圳永合科技化工有限公司 | Expanding hanger |
| CN203461690U (en) * | 2013-09-22 | 2014-03-05 | 山东泗水康得新复合材料有限公司 | Tubular inner bore lifting tool |
| CN204224099U (en) * | 2014-11-13 | 2015-03-25 | 曹年军 | A kind of annulus internal-expansion type coil grab |
| CN107381341A (en) * | 2017-09-14 | 2017-11-24 | 黄石盛鼎自动化科技有限公司 | A kind of suspension hook for carrier vehicle clutch cover and plate assembly |
| CN107792782A (en) * | 2017-10-27 | 2018-03-13 | 山东临工工程机械有限公司 | Annular groove type component suspender and its hanging method |
| CN207209774U (en) * | 2017-09-18 | 2018-04-10 | 中国建筑第七工程局有限公司 | A kind of tube boom hoisting |
| CN108892030A (en) * | 2018-06-22 | 2018-11-27 | 南通市日邦节能科技有限公司 | Drum-type suspender and a kind of rolled products method for carrying |
-
2019
- 2019-11-21 CN CN201911145449.6A patent/CN110979976B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6015394A (en) * | 1983-06-28 | 1985-01-26 | イヴエースプーレンテヒニーク ゲーエムベーハー | Device for lifting coil, spool, etc. |
| JPH0573675B2 (en) * | 1983-06-28 | 1993-10-14 | Ibe Supuurentehiniiku Gmbh | |
| DE69902011T2 (en) * | 1998-03-05 | 2002-12-19 | Aeroquip Corp., Maumee | INNER ATTACKING PIPE DRAWING DEVICE |
| DE10060405A1 (en) * | 2000-12-05 | 2002-06-20 | Bayerische Motoren Werke Ag | Internal grab for pipes and bores has grab elements with clamping jaws moved by thrust pieces and enclosed by ring spring |
| CN201406272Y (en) * | 2009-03-31 | 2010-02-17 | 深圳永合科技化工有限公司 | Expanding hanger |
| CN203461690U (en) * | 2013-09-22 | 2014-03-05 | 山东泗水康得新复合材料有限公司 | Tubular inner bore lifting tool |
| CN204224099U (en) * | 2014-11-13 | 2015-03-25 | 曹年军 | A kind of annulus internal-expansion type coil grab |
| CN107381341A (en) * | 2017-09-14 | 2017-11-24 | 黄石盛鼎自动化科技有限公司 | A kind of suspension hook for carrier vehicle clutch cover and plate assembly |
| CN207209774U (en) * | 2017-09-18 | 2018-04-10 | 中国建筑第七工程局有限公司 | A kind of tube boom hoisting |
| CN107792782A (en) * | 2017-10-27 | 2018-03-13 | 山东临工工程机械有限公司 | Annular groove type component suspender and its hanging method |
| CN108892030A (en) * | 2018-06-22 | 2018-11-27 | 南通市日邦节能科技有限公司 | Drum-type suspender and a kind of rolled products method for carrying |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110979976A (en) | 2020-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203845749U (en) | Screw jack | |
| CN110979976B (en) | Convenient industrial transportation assistor | |
| CN215159284U (en) | Industrial intelligent production transportation box | |
| CN208180872U (en) | A kind of shipping flat car | |
| CN106006371A (en) | Hoisting device for products with smooth inner holes | |
| CN108163623A (en) | A kind of limiting transfer frame of STAINLESS STEEL WIRE | |
| CN206392006U (en) | A kind of rotary lifting overturns pelletizing machine | |
| CN206936760U (en) | Wheelset fitting dismounting machine | |
| CN211569907U (en) | Novel special lifting device | |
| CN211543573U (en) | Solid tyre production handling device | |
| CN212608186U (en) | A upset overhead hoist for feed bin | |
| CN201099581Y (en) | Giant tyre mounting device | |
| US3016934A (en) | Wheel supporting apparatus | |
| CN208166503U (en) | A kind of warehouse hand fork lifter device | |
| CN209739125U (en) | Building class conveyer for structural engineering with antiskid effect | |
| CN210883956U (en) | Lifting device | |
| CN220703094U (en) | Hand chain block with goods anti-slip function | |
| CN210735125U (en) | Water repellent storage jar for chemical production | |
| CN213140327U (en) | Loading and unloading device for easily damaged building materials | |
| CN215589035U (en) | High strength chain tensioner equipment that rises | |
| CN216336431U (en) | Forklift capable of facilitating material transfer | |
| CN116873409B (en) | Composite container bottom plate with strong friction force and manufacturing process thereof | |
| CN111301820B (en) | A tray for improving fork truck transports stability | |
| CN218986711U (en) | Handcart with quick unloading function | |
| CN216734412U (en) | Handcart convenient for loading and unloading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211028 Address after: 252000 Room 401, building 8, hi tech city, No. 5, Lushan South Road, Jiuzhou street, hi tech Zone, Liaocheng City, Shandong Province Applicant after: Liaocheng green Angel Technology Development Co.,Ltd. Address before: Room 12-a057, zero one square, Xi'an Software Park, 72 Keji 2nd Road, Zhangba Street office, high tech Zone, Xi'an, Shaanxi 710000 Applicant before: Xi'an Baoxin automation equipment Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240715 Address after: 266000 China Merchants Lavie commune, 702 Shanhe Road, Chengyang District, Qingdao City, Shandong Province Patentee after: Green Angel Technology Development Group Co.,Ltd. Country or region after: China Address before: 252000 Room 401, building 8, hi tech city, No. 5, Lushan South Road, Jiuzhou street, hi tech Zone, Liaocheng City, Shandong Province Patentee before: Liaocheng green Angel Technology Development Co.,Ltd. Country or region before: China |