CN109263986A - A kind of unmanned plane for gardens sowing - Google Patents
A kind of unmanned plane for gardens sowing Download PDFInfo
- Publication number
- CN109263986A CN109263986A CN201811387795.0A CN201811387795A CN109263986A CN 109263986 A CN109263986 A CN 109263986A CN 201811387795 A CN201811387795 A CN 201811387795A CN 109263986 A CN109263986 A CN 109263986A
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- CN
- China
- Prior art keywords
- seeding box
- guide plate
- fixedly installed
- unmanned plane
- seed
- 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.)
- Granted
Links
- 238000009331 sowing Methods 0.000 title claims abstract description 27
- 238000010899 nucleation Methods 0.000 claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Sowing (AREA)
Abstract
The invention discloses a kind of unmanned planes for gardens sowing, including body, the bottom of the body is fixedly installed with Seeding box, the side of Seeding box offers feeding inlet, multiple equally distributed through-holes are offered in the bottom interior wall of Seeding box, the bottom of Seeding box is fixedly installed with multiple equally distributed fixing seats, fixing groove is offered at the top of fixing seat, fixing groove is connected with corresponding through-hole, stifled ball is movably installed in fixing groove, discharge hole is offered in the bottom interior wall of the fixing groove, discharge hole is adapted with stifled ball.The configuration of the present invention is simple, it is easy to operate, the mobile i.e. controllable seed of stifled ball is driven uniformly to be sprinkled upon quantity on soil by linear electric machine, stirring rod can also be driven to shake in Seeding box simultaneously, seed will not be made to block in Seeding box, the thickness of sowing that can control seed by adjusting blanking plate sharping degree will not influence the subsequent development of seed and growth.
Description
Technical field
The present invention relates to air vehicle technique field more particularly to a kind of unmanned planes for gardens sowing.
Background technique
Unmanned plane is to utilize the not manned aircraft of radio robot and the presetting apparatus provided for oneself manipulation, Huo Zheyou
Car-mounted computer fully or intermittently automatically operates, and it is that gardens are broadcast that present more and more people, which begin to use unmanned plane,
Kind, but be all disposably to spill seed in batches when gardens are sowed, such mode not only cannot uniformly be sprinkled upon soil
On, and not can control the thickness of sowing of seed, the subsequent development of seed and growth are influenced, in addition, original of the seed due to accumulation
Cause often blocks planting hole, affects sowing work, thus it is proposed that it is a kind of for gardens sowing unmanned plane, with this
To solve the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and propose a kind of for gardens sowing
Unmanned plane.
To achieve the goals above, present invention employs following technical solutions:
A kind of unmanned plane for gardens sowing, including body, the bottom of the body are fixedly installed with Seeding box, sow
The side of case offers feeding inlet, and multiple equally distributed through-holes, the bottom of Seeding box are offered in the bottom interior wall of Seeding box
Multiple equally distributed fixing seats are fixedly installed with, offer fixing groove at the top of fixing seat, fixing groove and corresponding through-hole phase
It is connected to, is movably installed with stifled ball in fixing groove, discharge hole, discharge hole and stifled ball phase are offered in the bottom interior wall of the fixing groove
Adaptation, the two sides of Seeding box are fixedly installed with linear electric machine, are fixedly installed on the output shaft of two linear electric machines same
A guide plate, the guide plate are located at the bottom of Seeding box, and multiple equally distributed mandrils are fixedly installed at the top of guide plate, and mandril is living
It is dynamic to be mounted in corresponding discharge hole, fixed arm is fixedly installed at the top of mandril, fixed arm is adapted with stifled ball, the guide plate
Two side bottoms be rotatably equipped with multiple equally distributed blanking plates, opened up in the bottom interior wall of Seeding box there are two slide opening,
Slide bar is slidably fitted in two slide openings, the bottom end of two slide bars is fixedly mounted on the top of guide plate, and two slide bars are mutual
Close side is rotatably equipped with the same stirring rod, and stirring rod is movably arranged in Seeding box.
Preferably, the material of the stifled ball is iron, is fixedly installed with magnetic sheet at the top of fixed arm, magnetic sheet is mutually fitted with stifled ball
Match.
Preferably, deflector chute is offered at the top of the guide plate, offers blanking groove at the top of blanking plate, blanking groove with lead
Hopper is adapted.
Preferably, the bottom of the guide plate is fixedly installed with fixed block, and the bottom of fixed block opens up fluted, blanking plate turn
Dynamic to be mounted in groove, screw thread is equipped with bolt on the side inner wall of groove, and bolt is in contact with blanking plate.
Preferably, two slide bar sides close to each other offer rotation slot, and stirring rod is rotatably installed in rotation slot.
Preferably, it is fixedly installed with O-ring on the inner wall of the slide opening, is in contact on the outside of the inside of O-ring and slide bar.
Preferably, the quantity of the model GRA-D3 of the linear electric machine, through-hole and fixing seat is 7.
Compared with prior art, the beneficial effects of the present invention are:
By body, Seeding box, fixing seat, fixing groove, discharge hole, stifled ball, linear electric machine, guide plate, mandril, fixed arm,
Blanking plate, slide opening, slide bar, rotation slot and stirring rod cooperation under, seed is put into Seeding box by feeding inlet, under rotation
Flitch, so that blanking plate rotates in groove, rotating bolt, so that bolt fixes the position of blanking plate, body drives sowing
After case is moved to suitable position, start linear electric machine, so that linear electric machine at the uniform velocity drives guide plate to move up and down, guide plate drives mandril
It moving up and down, mandril drives fixed arm mobile, and when fixed arm touches stifled ball, stifled ball is sucked and is continued to move up by magnetic sheet,
So that fixed arm and mandril are moved in fixing groove, the seed in Seeding box is fallen in fixing groove by through-hole, and passes through discharging
Hole is fallen in the deflector chute on guide plate, and seed finally spills and falls to the ground by deflector chute and blanking groove, and linear electric machine drives guide plate
It moves down, guide plate drives the fixed arm on mandril mobile, and fixed arm drives stifled ball to block discharge hole and is detached from stifled ball simultaneously with this
It completes once to spill material movement, band moving slide-bar slides in slide opening while guide plate moves up and down, and slide bar drives stirring rod broadcasting
Seed in plants case is stirred；
The configuration of the present invention is simple, it is easy to operate, drive the mobile i.e. controllable seed of stifled ball uniformly to spill by linear electric machine
The quantity on soil, while stirring rod can also be driven to shake in Seeding box, seed will not be made to block in Seeding box, pass through tune
Whole blanking plate sharping degree can control the thickness of sowing of seed, will not influence the subsequent development of seed and growth.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of unmanned plane for gardens sowing proposed by the present invention；
Fig. 2 is that a kind of guide plate of unmanned plane for gardens sowing proposed by the present invention and the side view structure of blanking plate are illustrated
Figure；
Fig. 3 is a kind of part A structural schematic diagram of unmanned plane for gardens sowing proposed by the present invention.
In figure: 1 body, 2 Seeding boxs, 3 fixing seats, 4 fixing grooves, 5 discharge holes, 6 stifled balls, 7 linear electric machines, 8 guide plates, 9 tops
Bar, 10 fixed arms, 11 blanking plates, 12 slide openings, 13 slide bars, 14 rotation slots, 15 stirring rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of unmanned plane for gardens sowing, including body 1, the bottom of body 1, which is fixedly installed with, to be broadcast
Plants case 2, the side of Seeding box 2 offer feeding inlet, and multiple equally distributed through-holes are offered in the bottom interior wall of Seeding box 2,
The bottom of Seeding box 2 is fixedly installed with multiple equally distributed fixing seats 3, and the top of fixing seat 3 offers fixing groove 4, fixed
Slot 4 is connected with corresponding through-hole, and stifled ball 6 is movably installed in fixing groove 4, offers discharging in the bottom interior wall of fixing groove 4
Hole 5, discharge hole 5 are adapted with stifled ball 6, and the two sides of Seeding box 2 are fixedly installed with linear electric machine 7, two linear electric machines 7 it is defeated
The same guide plate 8 is fixedly installed on shaft, guide plate 8 is located at the bottom of Seeding box 2, and the top of guide plate 8 is fixedly installed with more
A equally distributed mandril 9, mandril 9 are movably arranged in corresponding discharge hole 5, and the top of mandril 9 is fixedly installed with fixed arm
10, fixed arm 10 is adapted with stifled ball 6, and two side bottoms of guide plate 8 are rotatably equipped with multiple equally distributed blanking plates 11, is broadcast
It is opened up in the bottom interior wall of plants case 2 there are two slide opening 12, is slidably fitted with slide bar 13 in two slide openings 12, two slide bars 13
Bottom end is fixedly mounted on the top of guide plate 8, and two slide bars 13 side close to each other is rotatably equipped with the same stirring rod
15, stirring rod 15 is movably arranged in Seeding box 2, passes through body 1, Seeding box 2, fixing seat 3, fixing groove 4, discharge hole 5, stifled ball
6, linear electric machine 7, guide plate 8, mandril 9, fixed arm 10, blanking plate 11, slide opening 12, slide bar 13, rotation slot 14 and stirring rod 15
Under cooperation, seed is put into Seeding box 2 by feeding inlet, rotates blanking plate 11, so that blanking plate 11 rotates in groove,
Rotating bolt after body 1 drives Seeding box 2 to be moved to suitable position, starts line so that bolt fixes the position of blanking plate 11
Property motor 7 so that linear electric machine 7 at the uniform velocity drives guide plate 8 to move up and down, guide plate 8 drives mandril 9 to move up and down, and mandril 9 drives solid
Fixed arm 10 is mobile, and when fixed arm 10 touches stifled ball 6, stifled ball 6 is sucked and is continued to move up by magnetic sheet, so that fixed arm 10
It is moved in fixing groove 4 with mandril 9, the seed in Seeding box 2 is fallen in fixing groove 4 by through-hole, and is fallen in by discharge hole 5
In deflector chute on guide plate 8, seed finally spills and falls to the ground by deflector chute and blanking groove, and linear electric machine 7 drives guide plate 8 downward
Mobile, guide plate 8 drives the fixed arm 10 on mandril 9 mobile, fixed arm 10 drive stifled ball 6 discharge hole 5 is blocked be detached from this it is stifled
Ball 6 simultaneously is completed once to spill material movement, and band moving slide-bar 13 slides in slide opening 12 while guide plate 8 moves up and down, 13 band of slide bar
Dynamic seed of the stirring rod 15 in Seeding box 2 is stirred；The configuration of the present invention is simple, it is easy to operate, it is driven by linear electric machine 7
The mobile i.e. controllable seed of stifled ball 6 is uniformly sprinkled upon quantity on soil, while stirring rod 15 can also be driven to shake in Seeding box 2
It is dynamic, seed will not be made to block in Seeding box 2, can control the thickness of sowing of seed by adjusting 11 sharping degree of blanking plate,
It will not influence the subsequent development of seed and growth.
In the present invention, the material for blocking up ball 6 is iron, and the top of fixed arm 10 is fixedly installed with magnetic sheet, and magnetic sheet is suitable with stifled 6 phase of ball
Match, the top of guide plate 8 offers deflector chute, and the top of blanking plate 11 offers blanking groove, and blanking groove is adapted with deflector chute, leads
The bottom of plate 8 is fixedly installed with fixed block, and the bottom of fixed block opens up fluted, and blanking plate 11 is rotatably installed in groove, recessed
Screw thread is equipped with bolt on the side inner wall of slot, and bolt is in contact with blanking plate 11, and two sides close to each other of slide bar 13 are equal
Rotation slot 14 is offered, stirring rod 15 is rotatably installed in rotation slot 14, and O-ring is fixedly installed on the inner wall of slide opening 12, O-shaped
The inside of circle is in contact with the outside of slide bar 13, the model GRA-D3 of linear electric machine 7, and the quantity of through-hole and fixing seat 3 is 7
It is a, by body 1, Seeding box 2, fixing seat 3, fixing groove 4, discharge hole 5, stifled ball 6, linear electric machine 7, guide plate 8, mandril 9, fix
Arm 10, blanking plate 11, slide opening 12, slide bar 13, rotation slot 14 and stirring rod 15 cooperation under, seed is put by feeding inlet
In Seeding box 2, blanking plate 11 is rotated, so that blanking plate 11 rotates in groove, rotating bolt, so that bolt is by blanking plate 11
Position is fixed, and after body 1 drives Seeding box 2 to be moved to suitable position, starts linear electric machine 7, so that linear electric machine 7 at the uniform velocity drives
Guide plate 8 moves up and down, and guide plate 8 drives mandril 9 to move up and down, and mandril 9 drives fixed arm 10 mobile, when fixed arm 10 touch it is stifled
Stifled ball 6 is sucked and is continued to move up by magnetic sheet when ball 6, so that fixed arm 10 and mandril 9 are moved in fixing groove 4, Seeding box 2
Interior seed is fallen in fixing groove 4 by through-hole, and is fallen in the deflector chute on guide plate 8 by discharge hole 5, and seed passes through guide
Slot and blanking groove, which are finally spilt, to be fallen to the ground, and linear electric machine 7 drives guide plate 8 to move down, and guide plate 8 drives the fixed arm on mandril 9
10 is mobile, and fixed arm 10 drives stifled ball 6 to block discharge hole 5 and is detached from stifled ball 6 with this and completes once to spill material movement, in guide plate 8
Band moving slide-bar 13 slides in slide opening 12 while moving up and down, slide bar 13 drive seed of the stirring rod 15 in Seeding box 2 into
Row stirring；The configuration of the present invention is simple, it is easy to operate, drive the mobile i.e. controllable seed of stifled ball 6 uniformly to spill by linear electric machine 7
The quantity on soil, while stirring rod 15 can also be driven to shake in Seeding box 2, seed will not be made to block in Seeding box 2, led to
Crossing adjustment 11 sharping degree of blanking plate can control the thickness of sowing of seed, will not influence the subsequent development of seed and growth.
Working principle: seed is put into Seeding box 2 by feeding inlet, blanking plate 11 is rotated, so that blanking plate 11 is recessed
Rotation, rotating bolt in slot, so that bolt fixes the position of blanking plate 11, body 1 drives Seeding box 2 to be moved to suitable position
Afterwards, the power supply of linear electric machine 7 is connected on the controller of body 1, starts linear electric machine 7, so that linear electric machine 7 at the uniform velocity drives
Guide plate 8 moves up and down, and guide plate 8 drives mandril 9 to move up and down, and mandril 9 drives fixed arm 10 mobile, when fixed arm 10 touch it is stifled
Stifled ball 6 is sucked and is continued to move up by magnetic sheet when ball 6, so that fixed arm 10 and mandril 9 are moved in fixing groove 4, Seeding box 2
Interior seed is fallen in fixing groove 4 by through-hole, and is fallen in the deflector chute on guide plate 8 by discharge hole 5, and seed passes through guide
Slot and blanking groove, which are finally spilt, to be fallen to the ground, and linear electric machine 7 drives guide plate 8 to move down, and guide plate 8 drives the fixed arm on mandril 9
10 is mobile, and fixed arm 10 drives stifled ball 6 to block discharge hole 5 and is detached from stifled ball 6 with this and completes once to spill material movement, in guide plate 8
Band moving slide-bar 13 slides in slide opening 12 while moving up and down, slide bar 13 drive seed of the stirring rod 15 in Seeding box 2 into
Row stirring；The mobile i.e. controllable seed of stifled ball 6 is driven uniformly to be sprinkled upon quantity on soil, while also energy band by linear electric machine 7
Dynamic stirring rod 15 is shaken in Seeding box 2, seed will not be made to block in Seeding box 2, by adjusting 11 sharping degree of blanking plate
The thickness of sowing that can control seed will not influence the subsequent development of seed and growth.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of unmanned plane for gardens sowing, including body (1), which is characterized in that the fixed peace in the bottom of the body (1)
Equipped with Seeding box (2), the side of Seeding box (2) offers feeding inlet, offers in the bottom interior wall of Seeding box (2) multiple uniform
The through-hole of distribution, the bottom of Seeding box (2) are fixedly installed with multiple equally distributed fixing seats (3), and fixing seat is opened at the top of (3)
Equipped with fixing groove (4), fixing groove (4) is connected with corresponding through-hole, is movably installed with stifled ball (6) in fixing groove (4), described solid
Determine to offer in the bottom interior wall of slot (4) discharge hole (5), discharge hole (5) is adapted with stifled ball (6), and the two sides of Seeding box (2) are equal
It is fixedly installed with linear electric machine (7), is fixedly installed on the output shaft of two linear electric machines (7) the same guide plate (8), it is described
Guide plate (8) is located at the bottom of Seeding box (2), and multiple equally distributed mandrils (9), mandril are fixedly installed at the top of guide plate (8)
(9) be movably arranged in corresponding discharge hole (5), be fixedly installed at the top of mandril (9) fixed arm (10), fixed arm (10) with
Stifled ball (6) are adapted, and two side bottoms of the guide plate (8) are rotatably equipped with multiple equally distributed blanking plates (11), sowing
It is opened up in the bottom interior wall of case (2) there are two slide opening (12), two slide openings (12) are interior to be slidably fitted with slide bar (13), two cunnings
The bottom end of bar (13) is fixedly mounted on the top of guide plate (8), and two slide bar (13) sides close to each other are rotatably equipped with
The same stirring rod (15), stirring rod (15) are movably arranged in Seeding box (2).
2. a kind of unmanned plane for gardens sowing according to claim 1, which is characterized in that the material of the stifled ball (6)
Matter is iron, and magnetic sheet is fixedly installed at the top of fixed arm (10), and magnetic sheet is adapted with stifled ball (6).
3. a kind of unmanned plane for gardens sowing according to claim 1, which is characterized in that the top of the guide plate (8)
Portion offers deflector chute, and blanking plate offers blanking groove at the top of (11), and blanking groove is adapted with deflector chute.
4. a kind of unmanned plane for gardens sowing according to claim 1, which is characterized in that the bottom of the guide plate (8)
Portion is fixedly installed with fixed block, and the bottom of fixed block opens up fluted, and blanking plate (11) is rotatably installed in groove, and the one of groove
Screw thread is equipped with bolt on the inner wall of side, and bolt is in contact with blanking plate (11).
5. a kind of unmanned plane for gardens sowing according to claim 1, which is characterized in that two slide bars (13) are mutual
Close side offers rotation slot (14), and stirring rod (15) is rotatably installed in rotation slot (14).
6. it is according to claim 1 it is a kind of for gardens sowing unmanned plane, which is characterized in that the slide opening (12) it is interior
It is fixedly installed with O-ring on wall, is in contact on the outside of the inside and slide bar (13) of O-ring.
7. a kind of unmanned plane for gardens sowing according to claim 1, which is characterized in that the linear electric machine (7)
Model GRA-D3, the quantity of through-hole and fixing seat (3) is 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811387795.0A CN109263986B (en) | 2018-11-21 | 2018-11-21 | A unmanned aerial vehicle for gardens seeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811387795.0A CN109263986B (en) | 2018-11-21 | 2018-11-21 | A unmanned aerial vehicle for gardens seeding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109263986A true CN109263986A (en) | 2019-01-25 |
| CN109263986B CN109263986B (en) | 2020-09-25 |
Family
ID=65190246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811387795.0A Active CN109263986B (en) | 2018-11-21 | 2018-11-21 | A unmanned aerial vehicle for gardens seeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109263986B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140145034A1 (en) * | 2012-11-26 | 2014-05-29 | Larry D. Thompson | Sliding door gatebox and detachable seeder plate |
| CN104854986A (en) * | 2015-05-15 | 2015-08-26 | 潍坊友容实业有限公司 | Seeding device for saline-alkali soil |
| CN107493749A (en) * | 2017-10-23 | 2017-12-22 | 北京鼎翰科技有限公司 | A kind of small granule seed bunch planting trench digging feed mechanism for seed |
| CN207631497U (en) * | 2017-12-27 | 2018-07-20 | 江西农业大学 | A kind of centrifugation swing pipe type sowing unmanned plane |
| CN207665459U (en) * | 2017-12-01 | 2018-07-31 | 湖北同诚通用航空有限公司 | A kind of hung outside helicopter seed sowing apparatus |
-
2018
- 2018-11-21 CN CN201811387795.0A patent/CN109263986B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140145034A1 (en) * | 2012-11-26 | 2014-05-29 | Larry D. Thompson | Sliding door gatebox and detachable seeder plate |
| CN104854986A (en) * | 2015-05-15 | 2015-08-26 | 潍坊友容实业有限公司 | Seeding device for saline-alkali soil |
| CN107493749A (en) * | 2017-10-23 | 2017-12-22 | 北京鼎翰科技有限公司 | A kind of small granule seed bunch planting trench digging feed mechanism for seed |
| CN207665459U (en) * | 2017-12-01 | 2018-07-31 | 湖北同诚通用航空有限公司 | A kind of hung outside helicopter seed sowing apparatus |
| CN207631497U (en) * | 2017-12-27 | 2018-07-20 | 江西农业大学 | A kind of centrifugation swing pipe type sowing unmanned plane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109263986B (en) | 2020-09-25 |
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Effective date of registration: 20230625 Address after: Luoqiao Town Shipan Village, Changning City, Hengyang City, Hunan Province 421500 Patentee after: Changning Shipan Xiaojia Ecological Agriculture Development Co.,Ltd. Address before: 421500 building B, longhui community, Qunying West Road, Changning City, Hengyang City, Hunan Province Patentee before: CHANGNING YUNMAO AGRICULTURAL INDUSTRY DEVELOPMENT Co.,Ltd. |
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