CN210912548U - Stem cell injection transportation keeps device - Google Patents
Stem cell injection transportation keeps device Download PDFInfo
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- CN210912548U CN210912548U CN201921887105.8U CN201921887105U CN210912548U CN 210912548 U CN210912548 U CN 210912548U CN 201921887105 U CN201921887105 U CN 201921887105U CN 210912548 U CN210912548 U CN 210912548U
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- box body
- stem cell
- cell injection
- transportation
- fixedly arranged
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- 210000000130 stem cell Anatomy 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000004321 preservation Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000004964 aerogel Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 210000004027 cell Anatomy 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003754 fetus Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000002062 proliferating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a transportation and preservation device for stem cell injection, which belongs to the technical field of biological engineering and comprises a box body, wherein a plurality of clapboards are fixedly arranged inside the box body, the inside of the box body is divided into a single containing cavity and a plurality of refrigerating cavities through the plurality of clapboards, a liquid nitrogen tank is fixedly arranged in the containing cavity through two fixing frames, and the top end of the liquid nitrogen tank is communicated with one end of an air duct; divide into the cold-stored chamber of a plurality of independent existence through the baffle with the box inside, when getting the container, pulling handle a drives the pull board and takes out from cold-stored intracavity, all the other cold-stored chambeies are not influenced this moment, can continue to refrigerate and preserve work, reduce the time that the inside container of its remaining cold-stored intracavity is exposed in the external world, utilize temperature sensor real-time supervision cold-stored intracavity portion's temperature simultaneously, and utilize the temperature controller to realize the control of deciding the temperature, in case the temperature reaches cold-stored required temperature, close the solenoid valve, utilize box self to refrigerate and keep warm, energy-concerving and environment-.
Description
Technical Field
The utility model belongs to the technical field of bioengineering, concretely relates to stem cell injection transportation keeps device.
Background
Stem cells are a class of cells with unlimited or immortal self-renewal capacity, capable of producing at least one type of highly differentiated progeny cells, the definition of stem cells has been continuously revised over the years and defined at different levels, and most biologists and physicians now consider stem cells to be a class of cells that have unlimited self-renewal and proliferative differentiation capacity under certain conditions from embryos, fetuses, or adults, capable of producing daughter cells with the same phenotype as genotype and self, capable of producing specialized cells that make up body tissues and organs, and capable of differentiating into progenitor cells.
At present, stem cell injection need place it in the container when transporting, places the container in preserving the device again, but current preservation device leads to the container to expose externally the time overlength when getting the container, and then leads to cold-stored effect not good easily, causes the influence to stem cell injection, and current preservation device power consumption is high, is difficult to realize the control of deciding the temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is preserved in transportation of stem cell injection to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a stem cell injection transportation and preservation device comprises a box body, wherein a plurality of partition plates are fixedly arranged inside the box body, the box body is divided into a single containing cavity and a plurality of refrigerating cavities through the plurality of partition plates, a liquid nitrogen tank is fixedly arranged in the containing cavity through two fixing frames, the top end of the liquid nitrogen tank is communicated with one end of an air guide pipe, a control valve extending to the outer side of the box body and an electromagnetic valve positioned in the containing cavity are arranged on the air guide pipe, the air guide pipe is respectively communicated with the interiors of the refrigerating cavities through a plurality of communicating pipes, a pulling plate is arranged in the refrigerating cavities, a sealing cover plate is fixedly connected to the upper surface of the pulling plate, a handle a is welded to the upper surface of the sealing cover plate, two sliding blocks are fixedly connected to one side surface of the pulling plate close to the partition plates, and are respectively connected to two, the fixed a plurality of fixed block that is equipped with in side that the baffle was kept away from to the pull board, and two-layer about a plurality of fixed block divide into, and two liang of correspondences of a plurality of fixed block, and two opposite faces that correspond the fixed block are all fixed and are equipped with the telescopic link, and all fix on the flexible end of two telescopic links and be equipped with the clamp splice, and two clamp splices are respectively through elastic connection between two springs and the fixed block, fixed mounting has temperature sensor on the inner wall of refrigeration chamber bottom, fixed mounting has the temperature controller on the lateral wall of box, and the input of temperature controller and temperature sensor's output electric connection, the output of temperature controller and the input electric connection of solenoid valve, temperature sensor and temperature controller respectively with external.
By adopting the scheme, the interior of the box body is divided into a plurality of independent refrigerating cavities through the partition plate, when the container is taken and placed, the pulling handle a is pulled to drive the pulling plate to be pulled out from the refrigerating cavities, the rest refrigerating cavities are not influenced at the moment, refrigerating and storing work can be continuously carried out, the exposure time of the containers in the rest refrigerating cavities to the outside is reduced, meanwhile, the temperature in the refrigerating cavities is monitored in real time by using the temperature sensor, the temperature control is realized by using the temperature controller, once the temperature reaches the temperature required by refrigerating, the electromagnetic valve is closed, the refrigerating and heat preservation are carried out by using the box body, the container is more energy-saving and environment-friendly, the container is placed between the two clamping blocks, the two clamping blocks are pushed to be attached to the outer side wall of the container by using the elastic action of the spring, the container is clamped, the fixation is finished, the container, the container can also slightly shake, which is beneficial to preventing the stem cells in the stem cell injection liquid in the container from adhering to the inner side wall of the container.
What needs to be explained in the above scheme is:
the model of the electromagnetic valve can be specifically ZC51-10 HB; the model of the temperature sensor can be DS18B 20; the model of the temperature controller can be TE 48-03010000.
In a preferable embodiment, the outer side of the air duct at the bottom of the box body is coated with heat insulation cotton.
By adopting the scheme, the heat insulation effect of the heat insulation cotton is utilized, so that the heat insulation work is carried out on the air guide pipe.
As a preferable embodiment, the shape of the clamping block is specifically an arc, and a rubber pad is fixedly bonded to the inner side wall of the clamping block.
Adopt above-mentioned scheme, utilize curved setting to make the clamp splice can laminate the container more, improve the centre gripping effect to the container, the setting of rubber pad avoids the clamp splice to cause the clamp to hinder to the container simultaneously, improves the frictional force between clamp splice and the container, improves the centre gripping steadiness of clamp splice.
As a preferred embodiment, four corners of the top and the bottom of the box body are fixedly provided with anti-collision blocks, and the outer side wall of the box body is fixedly provided with a buffer air bag.
By adopting the scheme, the anti-collision block and the buffering air bag are utilized, so that the external protection effect can be better provided for the box body, and the damage of the container stored in the box body caused by collision is avoided.
As a preferred embodiment, a handle b is fixedly welded on the outer side wall of the box body, and four universal wheels are fixedly mounted at the bottom of the box body.
By adopting the scheme, the handle b and the universal wheels can be used for facilitating the movement of the box body by a worker, and the box body is more convenient and faster to transfer.
As a preferred embodiment, two lifting grooves are formed on the side wall of the box body.
By adopting the scheme, the box body is convenient for workers to carry through the arrangement of the lifting groove.
As a preferred embodiment, an aerogel felt layer is arranged on the inner side wall of the box body.
Adopt above-mentioned scheme, can improve the cold-stored effect of box self through the aerogel carpet veneer, the heat insulating ability is stronger.
Compared with the prior art, the beneficial effects of the utility model are that:
the stem cell injection transportation and preservation device is provided with a refrigerating cavity, a liquid nitrogen tank, an air guide pipe, a communicating pipe, a pull plate, a sealing cover plate, a handle a, a temperature sensor, a temperature controller and an electromagnetic valve, the interior of a box body is divided into a plurality of independent refrigerating cavities through partition plates, when the container is taken and placed, the pull plate is driven by pulling the handle a to be drawn out of the refrigerating cavity, the rest refrigerating cavities are not affected at the moment, refrigerating preservation work can be continuously carried out, the exposure time of containers in the rest refrigerating cavities in the outside is shortened, meanwhile, the temperature inside the refrigerating cavities is monitored in real time by the temperature sensor, temperature control is realized by the temperature controller, once the temperature reaches the temperature required by refrigeration, the electromagnetic valve is closed, refrigeration and heat preservation are carried out by the box body;
this device is preserved in transportation of stem cell injection is through setting up the fixed block, the telescopic link, the clamp splice, rubber pad and spring, place the container between two clamp splices, and utilize the spring action of spring to promote two clamp splices laminating at the lateral wall of container, form the centre gripping effect to the container, accomplish the fixed to the container, it is difficult for rocking everywhere to keep the container when the transport condition, simultaneously because the elastic action of spring, the container also can take place slightly to rock, be favorable to the interior stem cell of stem cell injection in the container can not adhere at the inside wall of container.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a section of the case body of the present invention;
FIG. 3 is a schematic structural view of the separator according to the present invention;
fig. 4 is a schematic structural view of the drawing plate of the present invention viewed from above;
FIG. 5 is a schematic structural view of the cross section of the case body of the present invention;
fig. 6 is an enlarged schematic structural diagram of the position a in the present invention.
In the figure: 1. a box body; 2. a partition plate; 3. a cavity; 4. a refrigerated chamber; 5. a liquid nitrogen tank; 6. a fixed mount; 7. an air duct; 8. a control valve; 9. an electromagnetic valve; 10. a communicating pipe; 11. heat preservation cotton; 12. a drawing plate; 13. sealing the cover plate; 14. a handle a; 15. a fixed block; 16. a telescopic rod; 17. a clamping block; 18. a rubber pad; 19. a spring; 20. a slider; 21. a chute; 22. a temperature sensor; 23. a temperature controller; 24. an anti-collision block; 25. a buffer air bag; 26. lifting the groove; 27. a handle b; 28. a universal wheel; 29. an aerogel blanket.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-6, the present invention provides a stem cell injection transportation and preservation device, which comprises a box body 1, four corners of the top and bottom of the box body 1 are fixedly provided with anti-collision blocks 24, and the outer side wall of the box body 1 is fixedly provided with a buffer air bag 25 (see fig. 1); the anti-collision block 24 and the buffering air bag 25 are utilized, so that an external protection effect can be better provided for the box body 1, and the damage of a container stored in the box body 1 caused by collision is avoided.
The outer side wall of the box body 1 is fixedly welded with a handle b27, and the bottom of the box body 1 is fixedly provided with four universal wheels 2 (see figure 1); the handle b27 and the universal wheels 28 can be used for facilitating the movement of the box body 1 by workers, and the box body is more convenient and faster to transfer.
Two lifting grooves 26 (shown in figure 1) are formed in the side wall of the box body 1; the box body 1 is convenient for workers to carry through the arrangement of the lifting groove 26.
An aerogel felt layer 29 (see fig. 5) is arranged on the inner side wall of the box body 1; can improve the cold-stored effect of box 1 self through aerogel carpet course 29, the heat insulating ability is stronger.
The refrigerator is characterized in that a plurality of partition plates 2 are fixedly arranged inside the box body 1, the box body 1 is divided into a single accommodating cavity 3 and a plurality of refrigerating cavities 4 through the plurality of partition plates 2, a liquid nitrogen tank 5 is fixedly arranged in the accommodating cavity 3 through two fixing frames 6, the top end of the liquid nitrogen tank 5 is communicated with one end of an air guide pipe 7, a control valve 8 extending to the outer side of the box body 1 and an electromagnetic valve 9 positioned in the accommodating cavity 3 are arranged on the air guide pipe 7, the air guide pipe 7 is respectively communicated with the interiors of the refrigerating cavities 4 through a plurality of communicating pipes 10, and heat-insulating cotton 11 (shown in figure 2) is wrapped on the; the heat insulation effect of the heat insulation cotton 11 is utilized, so that the heat insulation work is carried out on the air duct 7.
A drawing plate 12 is arranged in the refrigerating chamber 4, a sealing cover plate 13 is fixedly connected to the upper surface of the drawing plate 12, a handle a14 is welded to the upper surface of the sealing cover plate 13, one side surface of the drawing plate 12, which is close to the partition plate 2, is fixedly connected with two sliding blocks 20, the two sliding blocks 20 are respectively connected into two sliding grooves 21 formed in one side surface of the partition plate 2 in a sliding manner, a plurality of fixed blocks 15 are fixedly arranged on one side surface of the drawing plate 12, which is far away from the partition plate 2, the fixed blocks 15 are divided into an upper layer and a lower layer, the fixed blocks 15 correspond to each other in pairs, telescopic rods 16 are fixedly arranged on opposite surfaces of the two corresponding fixed blocks 15, clamping blocks 17 are fixedly arranged on telescopic ends of the two telescopic rods 16, the clamping blocks 17 are particularly arc-shaped, and rubber pads 18 (see fig; utilize curved setting to make clamp splice 17 can laminate the container more, improve the centre gripping effect to the container, the setting of rubber pad 18 avoids clamp splice 17 to cause the clamp to hinder to the container simultaneously, improves the frictional force between clamp splice 17 and the container, improves clamp splice 17's centre gripping steadiness.
And two clamp splice 17 respectively through elastic connection between two springs 19 and the fixed block 15, fixed mounting has temperature sensor 22 on the inner wall of cold-stored chamber 4 bottom, and fixed mounting has temperature controller 23 on the lateral wall of box 1, and the input of temperature controller 23 and temperature sensor 22's output electric connection, the output of temperature controller 23 and the input electric connection of solenoid valve 9, temperature sensor 22 and temperature controller 23 respectively with external power supply electric connection.
When the refrigerator is used, the pull handle a14 is pulled to drive the pull plate 12 to be pulled out from the refrigerating cavity 4, the rest refrigerating cavities 4 are not affected under the action of the partition plate 2, the refrigerating preservation work can be continuously carried out, the time of exposing the containers in the rest refrigerating cavities 4 to the outside is reduced, the containers on the pull plate 12 are taken out or placed on the pull plate 12, when the containers are placed, the containers are placed between the two clamping blocks 17, the two clamping blocks 17 are pushed to be attached to the outer side wall of the containers by the aid of the elastic action of the springs 19 to form a clamping effect on the containers, the containers are fixed, the containers are not prone to shaking in the transportation state, meanwhile, due to the elastic action of the springs 19, the containers can slightly shake, dry cells in dry cell injection liquid in the containers can not be adhered to the inner side wall of the containers, when the refrigerator body 1 is transported, the temperature sensor 22 is used for monitoring the temperature in the refrigerating cavities 4 in real time, and utilize temperature controller 23 to realize the control of deciding the temperature, in case the temperature reaches cold-stored required temperature, close solenoid valve 9, utilize box 1 self to refrigerate heat preservation, it is more energy-concerving and environment-protective, when the temperature can not reach cold-stored required temperature, temperature controller 23 opens solenoid valve 9 and makes nitrogen gas get into in the cold-stored chamber 4, and then reduces the inside temperature in cold-stored chamber 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a stem cell injection transportation keeps device, includes box (1), its characterized in that: the refrigerator is characterized in that a plurality of clapboards (2) are fixedly arranged inside the box body (1), the box body (1) is divided into a single accommodating cavity (3) and a plurality of refrigerating cavities (4) through the plurality of clapboards (2), a liquid nitrogen tank (5) is fixedly arranged in the accommodating cavity (3) through two fixing frames (6), the top end of the liquid nitrogen tank (5) is communicated with one end of an air guide pipe (7), a control valve (8) extending to the outer side of the box body (1) and an electromagnetic valve (9) positioned in the accommodating cavity (3) are arranged on the air guide pipe (7), the air guide pipe (7) is communicated with the interiors of the plurality of refrigerating cavities (4) through a plurality of communicating pipes (10), a drawing plate (12) is arranged in the refrigerating cavities (4), a sealing cover plate (13) is fixedly connected to the upper surface of the drawing plate (12), and a handle a (14) is welded to the upper surface of the sealing, one side face, close to the partition board (2), of the drawing board (12) is fixedly connected with two sliding blocks (20), the two sliding blocks (20) are respectively connected into two sliding grooves (21) formed in one side face of the partition board (2) in a sliding mode, one side face, far away from the partition board (2), of the drawing board (12) is fixedly provided with a plurality of fixed blocks (15), the plurality of fixed blocks (15) are divided into an upper layer and a lower layer, the plurality of fixed blocks (15) are in pairwise correspondence, telescopic rods (16) are fixedly arranged on opposite faces of the two corresponding fixed blocks (15), clamping blocks (17) are fixedly arranged on telescopic ends of the two telescopic rods (16), the two clamping blocks (17) are respectively and elastically connected with the fixed blocks (15) through two springs (19), a temperature sensor (22) is fixedly arranged on the inner wall of the bottom of the refrigerating cavity (4), and a temperature controller (23) is fixedly arranged on, and the input of temperature controller (23) and the output electric connection of temperature sensor (22), the output of temperature controller (23) and the input electric connection of solenoid valve (9), temperature sensor (22) and temperature controller (23) respectively with external power supply electric connection.
2. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: the outer side of the air duct (7) at the bottom of the box body (1) is coated with heat insulation cotton (11).
3. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: the clamping block (17) is arc-shaped, and a rubber pad (18) is fixedly bonded on the inner side wall of the clamping block (17).
4. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: the anti-collision device is characterized in that anti-collision blocks (24) are fixedly mounted at four corners of the top and the bottom of the box body (1), and a buffer air bag (25) is fixedly arranged on the outer side wall of the box body (1).
5. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: the outer side wall of the box body (1) is fixedly provided with a handle b (27) in a welding mode, and four universal wheels (28) are fixedly installed at the bottom of the box body (1).
6. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: two lifting grooves (26) are formed in the side wall of the box body (1).
7. The transportation and preservation device for stem cell injection according to claim 1, characterized in that: an aerogel felt layer (29) is arranged on the inner side wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921887105.8U CN210912548U (en) | 2019-11-05 | 2019-11-05 | Stem cell injection transportation keeps device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921887105.8U CN210912548U (en) | 2019-11-05 | 2019-11-05 | Stem cell injection transportation keeps device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210912548U true CN210912548U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921887105.8U Active CN210912548U (en) | 2019-11-05 | 2019-11-05 | Stem cell injection transportation keeps device |
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| Country | Link |
|---|---|
| CN (1) | CN210912548U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323752A (en) * | 2021-05-27 | 2021-08-31 | 杨建伟 | Automobile engine oxygen combustion-supporting device under high-altitude environment |
| CN113371301A (en) * | 2021-07-04 | 2021-09-10 | 安徽雪乐制冷设备有限公司 | Portable low-temperature blood refrigerator |
| CN113636223A (en) * | 2021-08-07 | 2021-11-12 | 祁书贞 | A polaroid protection device for TV set for next generation information network industry |
| CN115072141A (en) * | 2022-07-25 | 2022-09-20 | 青岛奥克生物开发有限公司 | Stable transport container that biological reagent was used |
| CN115092537A (en) * | 2022-07-12 | 2022-09-23 | 山东新希望六和集团有限公司 | Escherichia coli detection kit and use method thereof |
| CN115649627A (en) * | 2022-11-10 | 2023-01-31 | 华夏生生药业(北京)有限公司 | Famotidine injection low-temperature storage box |
-
2019
- 2019-11-05 CN CN201921887105.8U patent/CN210912548U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323752A (en) * | 2021-05-27 | 2021-08-31 | 杨建伟 | Automobile engine oxygen combustion-supporting device under high-altitude environment |
| CN113371301A (en) * | 2021-07-04 | 2021-09-10 | 安徽雪乐制冷设备有限公司 | Portable low-temperature blood refrigerator |
| CN113371301B (en) * | 2021-07-04 | 2023-06-13 | 安徽雪乐制冷设备有限公司 | Portable low-temperature blood refrigerator |
| CN113636223A (en) * | 2021-08-07 | 2021-11-12 | 祁书贞 | A polaroid protection device for TV set for next generation information network industry |
| CN115092537A (en) * | 2022-07-12 | 2022-09-23 | 山东新希望六和集团有限公司 | Escherichia coli detection kit and use method thereof |
| CN115072141A (en) * | 2022-07-25 | 2022-09-20 | 青岛奥克生物开发有限公司 | Stable transport container that biological reagent was used |
| CN115649627A (en) * | 2022-11-10 | 2023-01-31 | 华夏生生药业(北京)有限公司 | Famotidine injection low-temperature storage box |
| CN115649627B (en) * | 2022-11-10 | 2023-06-27 | 华夏生生药业(北京)有限公司 | Famotidine injection low temperature bin |
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Effective date of registration: 20240517 Address after: 441000 Building 6, Xiangyang Science and Technology Park, Intersection of Wuxi Road and Zhuhai Avenue, High tech Development Zone, Xiangyang City, Hubei Province (Residence Application) Patentee after: Huazhong Stem Cell (Hubei) Biotechnology Co.,Ltd. Country or region after: China Address before: 441000 building 6, Xiangyang science and Technology City Park, intersection of Wuxi road and Zhuhai Avenue, high tech Zone, Xiangyang City, Hubei Province Patentee before: HUBEI WISTEM BIOTECH Co.,Ltd. Country or region before: China |