CN219099024U - Movable straw biological fertilizer making device - Google Patents
Movable straw biological fertilizer making device Download PDFInfo
- Publication number
- CN219099024U CN219099024U CN202320033161.5U CN202320033161U CN219099024U CN 219099024 U CN219099024 U CN 219099024U CN 202320033161 U CN202320033161 U CN 202320033161U CN 219099024 U CN219099024 U CN 219099024U
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- fixedly connected
- motor
- fermentation
- crushing
- bin
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- 239000010902 straw Substances 0.000 title claims abstract description 62
- 239000003337 fertilizer Substances 0.000 title claims abstract description 26
- 238000000855 fermentation Methods 0.000 claims abstract description 70
- 230000004151 fermentation Effects 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 8
- 241000233866 Fungi Species 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 abstract description 19
- 241000894006 Bacteria Species 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Fertilizers (AREA)
Abstract
The utility model relates to the technical field of straw recycling and conversion, and discloses a movable straw biological fertilizer device which comprises a crushing bin, wherein a first protective shell and a second protective shell are fixedly connected to one side of the crushing bin near the front and the rear respectively, a first motor and a second motor are fixedly arranged in the first protective shell and the second protective shell respectively, a first rotating shaft is rotatably connected to the inner walls of the two sides of the crushing bin near the front and the rear respectively, a plurality of crushing blades are fixedly connected to the outer walls of the two first rotating shafts respectively, and a first transmission shaft is fixedly connected to one end of each first rotating shaft close to the first motor. According to the utility model, the crushing device is arranged in the device, so that oversized straws can be crushed, the straws can be overturned and stirred conveniently, the straws can be more conveniently mixed with fermentation bacteria liquid when being fermented, and meanwhile, the straws can be collected and loaded more easily when being taken out.
Description
Technical Field
The utility model relates to the technical field of straw recycling and conversion, in particular to a movable straw biological fertilizer device.
Background
The organic fertilizer produced by straw recovery is a main source of agricultural organic fertilizer, is a guarantee material for sustainable cultivation of land, is an important ring for recycling and converting a large amount of organic wastes into carbon circulation, and is a main fertilizer for providing organic nutrition (namely organic carbon) for crops.
The existing straw biological fertilizer making device adopts a fixed mounting structure, is large in size, heavy in weight and large in occupied area, needs to build a fixed site, is inconvenient to move to a working site, and does not take into account that the overlong raw materials are not subjected to shredding treatment when the straw is fermented, so that the straw is not easy to stir and overturn and finally the phenomenon of incomplete fermentation occurs, and therefore, a person skilled in the art provides a movable straw biological fertilizer making device to solve the problems set forth in the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a movable straw biological fertilizer device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the movable straw biological fertilizer making device comprises a crushing bin, wherein a first protective shell and a second protective shell are fixedly connected to one side of the crushing bin near the front and the rear respectively, a first motor and a second motor are fixedly arranged in the first protective shell and the second protective shell respectively, a first rotating shaft is rotatably connected between the inner walls of the two sides of the crushing bin near the front and the rear respectively, a plurality of crushing blades are fixedly connected to the outer walls of the two first rotating shafts respectively, and a first transmission shaft is fixedly connected to one end of each first rotating shaft near the first motor;
the lower end of the crushing bin is fixedly connected with a fermentation bin, the middle part of one side of the fermentation bin, which is far away from the first motor, is fixedly connected with a protection box, the front part of one side of the protection box, which is far away from the second motor, is fixedly connected with a third protection shell, the inside of the third protection shell is fixedly provided with a third motor, the output end of the third motor penetrates through a side plate body of the protection box and is fixedly connected with a second transmission shaft, the outer wall of the second transmission shaft is fixedly sleeved with a driving belt wheel, the front part and the rear part of the inner walls of the two sides of the fermentation bin are respectively and rotatably connected with a second rotating shaft, the outer walls of the two second rotating shafts are respectively and fixedly connected with a plurality of stirring rods, one end, which is far away from the first motor, of the second rotating shaft, positioned at the rear part penetrates through the side plate body of the fermentation bin and is fixedly connected with a driven shaft, the outer wall of one end of the driven shaft far away from the second motor penetrates through a side plate body of the protection box and is fixedly sleeved with a driven belt wheel, installation protection shells are fixedly arranged in the middle of the front and rear inner walls of the fermentation bin, a plurality of heating pipes are fixedly arranged in the two installation protection shells, a fixing frame is fixedly connected to the upper and lower parts of one side of the fermentation bin far away from the protection box, a bacteria liquid box is fixedly connected to one end of the fixing frame far away from the protection box, a protective cover is clamped at the upper end of the bacteria liquid box, a conveying pipe is fixedly connected between the bacteria liquid box and the fermentation bin, a conveying pump is fixedly arranged on the outer wall of the conveying pipe, a temperature controller is fixedly arranged on one side of the front end of the fermentation bin, a perspective cover is fixedly arranged in the middle of the front end of the fermentation bin, and self-locking universal wheels are fixedly connected to the lower end of the fermentation bin near four corners;
through the technical scheme, oversized straw can be chopped, the straw can be overturned and stirred conveniently, the straw can be more conveniently mixed with fermentation bacteria liquid when fermentation treatment is carried out, and meanwhile, collection and loading can be more easily carried out when the straw is taken out.
Further, one ends of the two first transmission shafts far away from the protection box penetrate through a side plate body of the crushing bin and are fixedly connected with output ends of the first motor and the second motor respectively;
through above-mentioned technical scheme, start first motor and second motor and can drive first pivot and rotate, and then make two first pivots drive crushing blade and carry out effective shredding to the straw.
Further, one end of the second rotating shaft, which is positioned at the front part and is far away from the first motor, penetrates through one side plate body of the fermentation bin and is fixedly connected with the second transmission shaft;
through the technical scheme, the second transmission shaft rotates to drive the second rotating shaft to rotate, so that the second rotating shaft drives the stirring rod to turn over the straw.
Further, the outer walls of the driving belt pulley and the driven belt pulley are fixedly sleeved with a driving belt;
through the technical scheme, the driving belt wheel can drive the driven belt wheel to rotate through the driving belt when rotating.
Further, the temperature controller is electrically connected with the heating pipes;
through the technical scheme, the specified temperature of the straw in the fermentation bin can be ensured.
Further, a safety door is hinged at the rear end of the fermentation bin;
through the technical scheme, the fermented product can be taken out from the fermentation bin by opening the safety door.
Further, a plurality of connecting rods are fixedly connected to the upper and lower parts of the rear ends of the crushing bin and the fermentation bin, which are close to one side of the safety door, and the rear ends of the connecting rods are fixedly connected with an escalator;
through the technical scheme, an operator can conveniently transport the straws to the vicinity of the feed port.
Further, a feeding port is fixedly connected to the center of the upper end of the crushing bin, and a sealing cover is arranged at the upper end of the feeding port in a clamping manner;
through the technical scheme, the straw is conveniently put into the device, and the temperature can be ensured not to be lost easily through the clamping sealing cover.
The utility model has the following beneficial effects:
1. according to the movable straw biological fertilizer preparation device, the crushing device is arranged in the device, so that oversized straw can be crushed, the straw can be overturned and stirred conveniently, the straw can be mixed with fermentation bacteria liquid conveniently during fermentation treatment, and meanwhile, collection and loading can be carried out easily during taking out.
2. According to the movable straw biological fertilizer making device, the stirring device is arranged in the device, the stirring rods are driven to rotate by starting the third motor, so that the straw can be effectively stirred, the straw and the fermentation bacteria liquid can be fully mixed, and the straw can be fermented thoroughly.
3. According to the movable straw biological fertilizer making device provided by the utility model, the temperature in the fermentation bin can be observed at any time through the temperature controller, so that the required specified temperature of straw in the fermentation process can be conveniently adjusted, meanwhile, the fermentation condition of the straw in the fermentation bin can be observed through the perspective cover, and finally, the device can be moved to a required treatment place through the self-locking universal wheel arranged at the bottom of the device.
Drawings
Fig. 1 is a schematic axial view of a mobile straw bio-fertilizer device according to the present utility model;
fig. 2 is a schematic plan view of a crushing bin of the movable straw bio-fertilizer apparatus according to the present utility model;
FIG. 3 is a schematic diagram showing a top-down view of a fermentation chamber of a movable straw bio-fertilizer apparatus according to the present utility model;
FIG. 4 is a schematic front cross-sectional view of a fermentation chamber of a movable straw bio-fertilizer apparatus according to the present utility model;
fig. 5 is a schematic rear view of a mobile straw bio-fertilizer apparatus according to the present utility model.
Legend description:
1. crushing bin; 2. a first protective housing; 3. a first motor; 4. a second protective housing; 5. a second motor; 6. a first rotating shaft; 7. a crushing blade; 8. a first drive shaft; 9. a protection box; 10. a third protective housing; 11. a third motor; 12. a second drive shaft; 13. a driving pulley; 14. a transmission belt; 15. a driven pulley; 16. a second rotating shaft; 17. a stirring rod; 18. a driven shaft; 19. installing a protective shell; 20. heating pipes; 21. a fixing frame; 22. a bacteria liquid box; 23. a delivery tube; 24. a transfer pump; 25. a temperature controller; 26. a perspective cover; 27. a safety door; 28. a connecting rod; 29. an escalator; 30. a protective cover; 31. self-locking universal wheels; 32. a feed port; 33. sealing cover; 34. and (5) fermenting a bin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the movable straw biological fertilizer production device comprises a crushing bin 1, wherein a first protective shell 2 and a second protective shell 4 are fixedly connected to one side of the crushing bin 1 near the front and the rear respectively, a first motor 3 and a second motor 5 are fixedly arranged in the first protective shell 2 and the second protective shell 4 respectively, a first rotating shaft 6 is rotatably connected to the inner walls of the two sides of the crushing bin 1 near the front and the rear respectively, a plurality of crushing blades 7 are fixedly connected to the outer walls of the two first rotating shafts 6 respectively, and a first transmission shaft 8 is fixedly connected to one end, close to the first motor 3, of each of the two first rotating shafts 6;
the lower end of the crushing bin 1 is fixedly connected with a fermentation bin 34, the middle part of one side of the fermentation bin 34, which is far away from the first motor 3, is fixedly connected with a protection box 9, the front part of one side of the protection box 9, which is far away from the second motor 5, is fixedly connected with a third protection shell 10, the inside of the third protection shell 10 is fixedly provided with a third motor 11, the output end of the third motor 11 penetrates through one side plate body of the protection box 9 and is fixedly connected with a second transmission shaft 12, the outer wall of the second transmission shaft 12 is fixedly sleeved with a driving belt pulley 13, the front part and the rear part between the inner walls of the two sides of the fermentation bin 34 are respectively and rotatably connected with a second rotating shaft 16, the outer walls of the two second rotating shafts 16 are respectively and fixedly connected with a plurality of stirring rods 17, one end, which is far away from the first motor 3, of the second rotating shaft 16 penetrates through one side plate body of the fermentation bin 34 and is fixedly connected with a driven shaft 18, the driven shaft 18 is kept away from one end outer wall of the second motor 5 and runs through a side plate body of the protection box 9 and is fixedly sleeved with a driven belt pulley 15, the middle parts of the front inner wall and the rear inner wall of the fermentation bin 34 are fixedly provided with installation protection shells 19, the interiors of the two installation protection shells 19 are fixedly provided with a plurality of heating pipes 20, one side of the fermentation bin 34, which is kept away from the protection box 9, is fixedly connected with fixing frames 21 near the front, the back, the upper and the lower parts of the fixing frames 21, which are kept away from the protection box 9, is fixedly connected with a fungus liquid box 22, the upper end of the fungus liquid box 22 is clamped with a protective cover 30, a conveying pipe 23 is fixedly connected between the fungus liquid box 22 and the fermentation bin 34, the outer wall of the conveying pipe 23 is fixedly provided with a conveying pump 24, one side of the front end of the fermentation bin 34 is fixedly provided with a temperature controller 25, the middle part of the front end of the fermentation bin 34 is fixedly provided with a perspective cover 26, and the lower end of the fermentation bin 34 is close to four corners is fixedly connected with a self-locking universal wheel 31.
The one end that two first transmission shafts 8 kept away from guard box 9 all runs through a side plate body of broken storehouse 1 and respectively with the output fixed connection of first motor 3 and second motor 5, start first motor 3 and second motor 5 and can drive first pivot 6 and rotate, and then make two first pivots 6 drive crushing blade 7 and effectively cut up the straw, the one end that lies in the second pivot 16 of locating near front department runs through a side plate body of fermentation storehouse 34 and with second transmission shaft 12 fixed connection, second transmission shaft 12 rotates and drives second pivot 16 and rotate, and then make second pivot 16 drive puddler 17 turn over the straw, fixed cover is equipped with drive belt 14 on the outer wall of driving pulley 13 and driven pulley 15, can drive driven pulley 15 through drive belt 14 during the rotation, temperature controller 25 and a plurality of heating pipe 20 electric connection, can guarantee the prescribed temperature in fermentation storehouse 34, the rear end hinge of fermentation storehouse 34 is provided with emergency exit 27, open emergency exit 27 can be with the product that fermentation is good from fermentation storehouse 34 and take out one side plate body and with second transmission shaft 12 fixed connection, the conveyer 32 is gone into to the connecting rod 32 in order to guarantee that the conveyer 32 is connected with the sealed cover 32 in the position near the end of the sealed storehouse, the conveyer 32 is convenient for the end of connecting rod 32 is connected with the end of sealing cover 32 in order to guarantee that the conveyer 32 is easy to take out the material to the end of fermentation storehouse 1.
Working principle: when the device is used, firstly, the sealing cover 33 is opened, an operator conveys straws to the feeding port 32 through the escalator 29 and puts the straws into the crushing bin 1, the first motor 3 and the second motor 5 are started to drive the two first rotating shafts 6 to rotate, further, the two crushing blades 7 on the first rotating shafts 6 are used for effectively crushing the straws, the crushed straws are scattered into the fermentation bin 34, the conveying pump 24 is started to spray fermentation bacteria liquid in the bacteria liquid box 22 onto the straws in the fermentation bin 34 through the conveying pipe 23, meanwhile, the third motor 11 is started to drive the second transmission shaft 12 to rotate, and then the driving pulley 13 can be driven to rotate through the second transmission shaft 12, as the driving belt 14 is fixedly sleeved between the driving pulley 13 and the driven pulley 15, the driven pulley 15 can be driven to drive the stirring rods 17 to rotate, the straws and the stirring rods 17 can be effectively stirred through the stirring rods 17, the straws and the fermentation bacteria liquid can be fully mixed, the heating pipe 20 can be started through the temperature controller 25, the straws in the fermentation bin 34 can be controlled to be sprayed onto the straws in the fermentation bin 34 through the conveying pipe 23, the specified temperature can be observed through the operating cover 26, and the fermentation device can be completely moved from the fermentation bin 31 through the fermentation bin, and the fermentation device can be completely moved through the self-locking device when the fermentation bin is required to be opened, and the fermentation device can be completely is completely moved through the fermentation device is arranged.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a portable straw bio-fertilizer device, includes broken storehouse (1), its characterized in that: the crushing bin comprises a crushing bin body, a crushing blade (7) and a first motor (3) and a second motor (5), wherein a first protecting shell (2) and a second protecting shell (4) are fixedly connected to one side of the crushing bin body (1) near the front and the rear respectively, the first motor (3) and the second motor (5) are fixedly arranged in the first protecting shell (2) and the second protecting shell (4) respectively, a first rotating shaft (6) is rotatably connected between the inner walls of the two sides of the crushing bin body (1) near the front and the rear respectively, a plurality of crushing blades (7) are fixedly connected to the outer walls of the two first rotating shafts (6), and a first transmission shaft (8) is fixedly connected to one end, close to the first motor (3), of each first rotating shaft (6);
the lower extreme fixedly connected with fermentation storehouse (34) of broken storehouse (1), one side middle part fixedly connected with guard box (9) of first motor (3) are kept away from in fermentation storehouse (34), guard box (9) are kept away from one side of second motor (5) and are leaned on front department fixedly connected with third shell (10), the inside fixedly provided with third motor (11) of third shell (10), one side board body and fixedly connected with second transmission shaft (12) of guard box (9) are run through to the output of third motor (11), the outer wall fixed cover of second transmission shaft (12) is equipped with driving pulley (13), all rotate and are connected with second pivot (16) near front and back department between the both sides inner wall of fermentation storehouse (34), two the outer wall of second pivot (16) all fixedly connected with puddler (17), be located near the back one end board and fixedly connected with driven shaft (18) of one end fermentation storehouse (34) of first motor (3) are kept away from, driven shaft (18) are kept away from one side board and are fixedly connected with driven shaft (18), one end of fermentation storehouse (19) are kept away from front and are all fixedly connected with second pivot (16), two the inside of installation protecting crust (19) is all fixed and is provided with a plurality of heating pipes (20), the fermentation storehouse (34) is kept away from one side of guard box (9) and is leaned on front and back upper and lower department equal fixedly connected with mount (21), four the one end fixedly connected with fungus liquid case (22) of guard box (9) are kept away from to mount (21), the upper end block of fungus liquid case (22) is provided with visor (30), fixedly connected with conveyer pipe (23) between fungus liquid case (22) and fermentation storehouse (34), the outer wall of conveyer pipe (23) is fixedly provided with delivery pump (24), the front end one side of fermentation storehouse (34) is fixedly provided with temperature controller (25), the front end middle part of fermentation storehouse (34) is fixedly provided with perspective cover (26), the lower extreme of fermentation storehouse (34) is close to the equal fixedly connected with auto-lock universal wheel (31) in four corners department.
2. The movable straw bio-fertilizer device of claim 1, wherein: one ends of the two first transmission shafts (8) far away from the protection box (9) penetrate through one side plate body of the crushing bin (1) and are fixedly connected with the output ends of the first motor (3) and the second motor (5) respectively.
3. The movable straw bio-fertilizer device of claim 1, wherein: one end of the second rotating shaft (16) which is positioned at the front part and is far away from the first motor (3) penetrates through one side plate body of the fermentation bin (34) and is fixedly connected with the second transmission shaft (12).
4. The movable straw bio-fertilizer device of claim 1, wherein: and the outer walls of the driving belt wheel (13) and the driven belt wheel (15) are fixedly sleeved with a driving belt (14).
5. The movable straw bio-fertilizer device of claim 1, wherein: the temperature controller (25) is electrically connected with the plurality of heating pipes (20).
6. The movable straw bio-fertilizer device of claim 1, wherein: the rear end of the fermentation bin (34) is hinged with a safety door (27).
7. The movable straw bio-fertilizer device of claim 1, wherein: the rear ends of the crushing bin (1) and the fermentation bin (34) are fixedly connected with a plurality of connecting rods (28) at the upper and lower parts of one side, far away from the safety door (27), of the crushing bin, and the rear ends of the connecting rods (28) are fixedly connected with an escalator (29).
8. The movable straw bio-fertilizer device of claim 1, wherein: the center of the upper end of the crushing bin (1) is fixedly connected with a feeding hole (32), and the upper end of the feeding hole (32) is provided with a sealing cover (33) in a clamping manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033161.5U CN219099024U (en) | 2023-01-06 | 2023-01-06 | Movable straw biological fertilizer making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320033161.5U CN219099024U (en) | 2023-01-06 | 2023-01-06 | Movable straw biological fertilizer making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219099024U true CN219099024U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320033161.5U Active CN219099024U (en) | 2023-01-06 | 2023-01-06 | Movable straw biological fertilizer making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219099024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584308A (en) * | 2023-06-30 | 2023-08-15 | 江苏裕灌现代农业科技有限公司 | Brown mushroom fermentation equipment and method thereof |
-
2023
- 2023-01-06 CN CN202320033161.5U patent/CN219099024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116584308A (en) * | 2023-06-30 | 2023-08-15 | 江苏裕灌现代农业科技有限公司 | Brown mushroom fermentation equipment and method thereof |
| CN116584308B (en) * | 2023-06-30 | 2024-01-02 | 江苏裕灌现代农业科技有限公司 | Brown mushroom fermentation equipment and method thereof |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 017000 Group 4, Sanggai Village, A Town, Ejin Horo Banner, Ordos, Inner Mongolia Autonomous Region Patentee after: Ordos Shuitou Qingneng Technology Co.,Ltd. Country or region after: China Address before: 017000 Group 4, Sanggai Village, A Town, Ejin Horo Banner, Ordos, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Lvyuan Qingneng Technology Co.,Ltd. Country or region before: China |
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