CN218530820U - Granulator for producing compound fertilizer by tower granulation - Google Patents
Granulator for producing compound fertilizer by tower granulation Download PDFInfo
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- CN218530820U CN218530820U CN202222009952.2U CN202222009952U CN218530820U CN 218530820 U CN218530820 U CN 218530820U CN 202222009952 U CN202222009952 U CN 202222009952U CN 218530820 U CN218530820 U CN 218530820U
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- nozzle
- spray head
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- 238000005469 granulation Methods 0.000 title claims abstract description 174
- 230000003179 granulation Effects 0.000 title claims abstract description 174
- 239000003337 fertilizer Substances 0.000 title claims abstract description 41
- 150000001875 compounds Chemical class 0.000 title claims abstract description 40
- 239000007921 spray Substances 0.000 claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- LQXZLHKVIRVBTC-UHFFFAOYSA-O [N+](=O)([O-])[O-].[NH4+].[P] Chemical compound [N+](=O)([O-])[O-].[NH4+].[P] LQXZLHKVIRVBTC-UHFFFAOYSA-O 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Fertilizers (AREA)
Abstract
A granulator for producing compound fertilizer by tower granulation comprises a hollow main shaft made of seamless steel pipes, a material blocking cone is embedded at the bottom of the main shaft, and a feed hopper is fixedly connected at the top of the main shaft; evenly distributed granulating holes are radially formed in the side wall of the main shaft, close to the material blocking cone; the main shaft is sleeved with a spray head group, the spray head group corresponds to the position of the granulation hole, and the spray head group is in interference fit with the main shaft; a bearing seat and a large belt wheel are sleeved on the main shaft and between the granulation hole and the hopper, the bearing seat is fixedly connected with a fixed disk, the large belt wheel is connected with a small belt wheel through a transmission belt, and the small belt wheel is fixedly connected on an output shaft of a stepless variable frequency speed regulating motor. The utility model is used for tower granulation production compound fertilizer's granulator, the granulation hole is big, and difficult the jam need not to change the shower nozzle, reduces artifical intensity of labour and operation maintenance is simple.
Description
Technical Field
The utility model belongs to the technical field of compound fertilizer preparation, a granulator that is used for tower granulation production compound fertilizer is related to.
Background
In the granulating process of preparing the compound fertilizer by tower granulation, a differential double-speed rotary granulator is generally adopted at present, a granulating spray cup is of a cup-shaped cone structure, a hollow part is arranged in the cup-shaped cone structure and used for containing the mixed compound fertilizer solution, and small holes with the diameter of 2.6-3.0 mm are fully formed in the cone and are in a spiral line shape. The spraying cup rotates at a high speed, and the compound fertilizer solution is thrown out from the small holes under the action of centrifugal force to complete granulation. The following disadvantages are mainly present: because the compound fertilizer is composed of urea, ammonium nitrate phosphorus, ammonium chloride, monoammonium phosphate, potassium sulfide, potassium sulfate, filler and other raw materials, the raw materials are heated and melted and then mixed into uniform slurry solution, and the raw materials contain the following components: braided bag fibre, suture rope end, cigarette end, stone, iron plate etc. impurity, and current compound fertilizer production technology all does not adopt filter equipment, therefore these impurity can be mixed into in the ground paste and get into the granulation and spout the cup in process of production unavoidably, and the granulation aperture has lessly, consequently causes the jam in granulation hole easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a granulator for tower granulation production compound fertilizer has solved the problem that current granulator equipment granulation hole was easily blockked up.
The utility model adopts the technical proposal that a hollow main shaft is made of seamless steel pipes, a material blocking cone is embedded at the bottom of the main shaft, and a feed hopper is fixedly connected at the top of the main shaft; the side wall of the main shaft is provided with granulating holes which are uniformly distributed along the radial direction and are close to the material blocking cone; the main shaft is sleeved with a nozzle group, the position of the nozzle group corresponds to the position of the granulation hole, and the nozzle group is in interference fit with the main shaft; a bearing seat and a large belt wheel are sleeved on the main shaft and between the granulation hole and the hopper, the bearing seat is fixedly connected with a fixed disk, the large belt wheel is connected with a small belt wheel through a transmission belt, and the small belt wheel is fixedly connected on an output shaft of a stepless variable frequency speed regulating motor.
The utility model discloses a characteristics still lie in:
the spray head group comprises an upper cover plate, a first layer of granulation spray heads, a second layer of granulation spray heads, a third layer of granulation spray heads and a fourth layer of granulation spray heads which are arranged in sequence from top to bottom; bolt holes are formed in the cover plate, the first layer of granulating spray head, the second layer of granulating spray head, the third layer of granulating spray head and the fourth layer of granulating spray head and are connected through connecting bolts arranged in the bolt holes.
The first layer of granulation nozzle, the second layer of granulation nozzle, the third layer of granulation nozzle and the fourth layer of granulation nozzle are all circular rings, and 20-40 convex blocks are uniformly and fixedly connected with the outer circumferences of one surfaces of the first layer of granulation nozzle, the second layer of granulation nozzle, the third layer of granulation nozzle and the fourth layer of granulation nozzle; the distances among the lugs on the first layer of granulation spray nozzle and the second layer of granulation spray nozzle, the third layer of granulation spray nozzle and the fourth layer of granulation spray nozzle are equal;
sinking cavities are formed in the other surfaces of the first layer of granulation spray head, the second layer of granulation spray head and the third layer of granulation spray head; the surfaces of the second layer of granulation spray nozzles, the third layer of granulation spray nozzles and the fourth layer of granulation spray nozzles, which are fixedly connected with the lugs, are sequentially embedded in the sinking cavity from top to bottom, and the lugs of the first layer of granulation spray nozzles, the second layer of granulation spray nozzles, the third layer of granulation spray nozzles and the fourth layer of granulation spray nozzles are arranged in a staggered manner; the depth of the cavity is less than the height of the bump.
One side of the convex block close to the main shaft is an arc, and the radian of the arc is less than 180 degrees.
The surfaces of the first layer of granulation spray head, the second layer of granulation spray head, the third layer of granulation spray head and the fourth layer of granulation spray head, which are fixedly connected with the bumps, are inclined planes, and the inclination angle of each inclined plane is 5-8 degrees.
The distance between the cover plate and the surface of the fourth layer of granulation nozzles fixedly connected with the convex blocks is larger than the axial length of the granulation holes.
The side wall of the main shaft is provided with an external thread; the main shaft is connected with a locking nut through external threads, and the locking nut is arranged at the position, close to the bottom, of the main shaft and is in contact with the fourth layer of granulation nozzles.
The shape of the granulation hole is rectangular, the length of the granulation hole along the axial direction is 5 mm-15 mm, and the width is 4 mm-10 mm.
The sum of the areas of the granulation holes is larger than the area of the inner circle of the main shaft.
The top of the material blocking cone is in a conical shape.
The beneficial effects of the utility model are that:
the utility model is used for tower granulation production compound fertilizer's granulator, the granulation hole is big, and difficult the jam need not to change the shower nozzle, reduces artifical intensity of labour and operation maintenance is simple.
Drawings
FIG. 1 is a schematic structural diagram of a granulator for producing compound fertilizer by tower granulation;
FIG. 2 is a schematic structural diagram of a main shaft of a granulator for producing compound fertilizer by tower granulation;
FIG. 3 is a schematic structural diagram of a material blocking cone of a granulator for producing compound fertilizer by tower granulation;
FIG. 4 is a sectional view of the granulating nozzle of the granulating machine for tower-type granulating production of compound fertilizer;
FIG. 5 is a top view of the granulating nozzle of the granulating machine for tower-type granulation of compound fertilizer;
fig. 6 is a schematic structural diagram of the locking nut of the granulator for producing compound fertilizer by tower granulation.
The granulator comprises a large belt wheel 1, a transmission belt 2, a small belt wheel 3, a stepless variable frequency speed regulating motor 4, a feed hopper 5, a main shaft 6, a bearing seat 7, a fixed disc 8, an upper cover plate 9, a first layer of granulation nozzles 10, a second layer of granulation nozzles 11, a third layer of granulation nozzles 12, a fourth layer of granulation nozzles 13, a locking nut 14, a connecting bolt 15, a material blocking cone 16, a granulation hole 17, an external thread 18, a lug 19, a bolt hole 20 and a sinking cavity 21.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a granulator for tower granulation production of compound fertilizer, as shown in figure 1, comprises a hollow main shaft 6 made of seamless steel tube, a material blocking cone 16 is embedded at the bottom of the main shaft 6, and a feed hopper 5 is fixedly connected at the top; as shown in fig. 2, the side wall of the main shaft 6 near the material blocking cone 16 is provided with uniformly distributed granulating holes 17 along the radial direction; a spray head group is sleeved on the main shaft 6, the spray head group corresponds to the position of the granulation hole 17, and the spray head group is in interference fit with the main shaft 6; the main shaft 6, the granulating hole 17 and the hopper 5 are sleeved with a bearing seat 7 and a large belt wheel 1, the bearing seat 7 is fixedly connected with a fixed disc 8, the large belt wheel 1 is connected with a small belt wheel 3 through a transmission belt 2, and the small belt wheel 3 is fixedly connected on an output shaft of a stepless variable frequency speed regulating motor 4.
The spray head group comprises an upper cover plate 9, a first layer of granulation spray heads 10, a second layer of granulation spray heads 11, a third layer of granulation spray heads 12 and a fourth layer of granulation spray heads 13 which are sequentially arranged from top to bottom; as shown in fig. 5, the cover plate 9, the first layer pelletizing nozzle 10, the second layer pelletizing nozzle 11, the third layer pelletizing nozzle 12 and the fourth layer pelletizing nozzle 13 are all provided with bolt holes 20 and are connected by connecting bolts 15 arranged in the bolt holes 20.
As shown in fig. 4, the first-layer granulation nozzle 10, the second-layer granulation nozzle 11, the third-layer granulation nozzle 12 and the fourth-layer granulation nozzle 13 are all circular, and 20-40 bumps 19 are uniformly and fixedly connected to the outer circumferential edges of one surfaces of the first-layer granulation nozzle 10, the second-layer granulation nozzle 11, the third-layer granulation nozzle 12 and the fourth-layer granulation nozzle 13; the distance between the first layer of granulation spray head 10 and the convex blocks 19 on the second layer of granulation spray head 11, the third layer of granulation spray head 12 and the fourth layer of granulation spray head 13 is equal;
sinking cavities 21 are formed on the other surfaces of the first layer of granulation spray nozzle 10, the second layer of granulation spray nozzle 11 and the third layer of granulation spray nozzle 12; the surfaces of the second layer granulation nozzle 11, the third layer granulation nozzle 12 and the fourth layer granulation nozzle, which are fixedly connected with the lugs 19, are sequentially embedded in the sinking cavity 21 from top to bottom, and the lugs of the first layer granulation nozzle 10, the second layer granulation nozzle 11, the third layer granulation nozzle 12 and the fourth layer granulation nozzle 13 are arranged in a staggered manner; the depth of the cavity 21 is less than the height of the bump 19.
One side of the lug 19 close to the main shaft 6 is a circular arc, and the radian of the circular arc is less than 180 degrees.
The surfaces of the first layer granulation nozzle 10, the second layer granulation nozzle 11, the third layer granulation nozzle 12 and the fourth layer granulation nozzle 13 fixedly connected with the bumps 19 are inclined planes, and the inclination angle of each inclined plane is 5-8 degrees.
The distance between the cover plate 9 and the surface of the fourth layer of granulation nozzles fixedly connected with the lug 19 is larger than the axial length of the granulation hole 17.
As shown in fig. 6, the side wall of the main shaft 6 is provided with an external thread 18; the main shaft 6 is connected with a locking nut 14 through an external thread 18, and the locking nut 14 is arranged at the position, close to the bottom, of the main shaft 6 and is in contact with the fourth-layer granulating nozzle 13.
The shape of the granulating hole 17 is rectangular, and the length of the granulating hole 17 in the axial direction is 5mm to 15mm, and the width is 4mm to 10mm.
The sum of the areas of the granulation holes 17 is larger than the area of the inner circle of the main shaft 6.
As shown in fig. 3, the top of the material blocking cone 16 is conical.
The utility model is used for the effect of essential element is as follows respectively in the granulator of tower granulation production compound fertilizer:
stepless variable frequency speed regulation motor 4: the stepless speed regulation is adopted, so that the process requirements for producing compound fertilizers with various proportions can be met.
A main shaft 6: the main shaft rotates, and the compound fertilizer solution flows out through the granulation holes under the action of centrifugal force.
Granulation hole 17: in order to prevent impurities in the compound fertilizer solution from blocking the granulation holes, the opening size of the granulation holes is increased, and meanwhile, the structure is changed into a square hole structure. The compound fertilizer solution is sheared and ground by a high-speed homomixer before entering a granulator, and impurities in the solution are generally controlled to be below 4mm, so that the size of the granulation holes is as follows: the length along the axial direction of the main shaft is 5 mm-15 mm, and the width is 4 mm-10 mm, so that the blockage of the granulation hole is avoided.
A granulation spray head: the first layer granulation nozzle 10, the second layer granulation nozzle 11, the third layer granulation nozzle 12 and the fourth layer granulation nozzle 13 are nested together, so that the granulated compound fertilizer particles meet the requirements of fertilizer products; the edge of each layer of granulation spray head is uniformly provided with a plurality of semicircular protruding structures, and the protruding parts of the two layers of spray heads which are adjacent up and down are staggered when being installed, so that granulation is uniform.
The lock nut 14: prevent the granulation spray head from sliding downwards and can play a role in positioning.
The utility model is used for tower granulation production compound fertilizer's granulator, its working process as follows:
in the production process of the equipment, a stepless variable frequency speed regulating motor 4 drives an equipment main shaft 6 to rotate at a high speed through a small belt wheel 3, a transmission belt 2 and a large belt wheel 1. The compound fertilizer solution enters the main shaft 6 pipe from the feed hopper 5, flows into the first layer granulation nozzle 10, the second layer granulation nozzle 11, the third layer granulation nozzle 12 and the fourth layer granulation nozzle 13 in sequence through the granulation holes 17 at the lower part, and is rapidly thrown out from the gap of the bump 19 along the inclined plane of the granulation nozzles under the action of the centrifugal force of high-speed rotation to complete the granulation process.
The utility model discloses a granulator for tower granulation production compound fertilizer has increaseed granulation hole 17's trompil size, changes the square hole structure into simultaneously, and granulation hole 17's size is: the length along the axial direction of the main shaft 6 is 5 mm-15 mm, and the width is 4 mm-10 mm; the compound fertilizer solution is sheared and ground by the high-speed homogenizer before entering the granulator, so that impurities in the solution are generally controlled below 4mm, the size of the impurities in the compound fertilizer solution is smaller than that of the granulation holes, and the impurities can rapidly pass through the granulation holes 17 under the action of the centrifugal force of the main shaft 6, so that the granulation holes 17 are not easy to block in the actual production process, a granulation nozzle does not need to be replaced, only one person needs to visit the granulator, and the manual labor intensity is reduced.
Claims (9)
1. The granulator for producing the compound fertilizer by tower granulation is characterized by comprising a hollow main shaft (6) made of a seamless steel pipe, wherein a material blocking cone (16) is embedded at the bottom of the main shaft (6), and the top of the main shaft is fixedly connected with a feed hopper (5); granulating holes (17) which are uniformly distributed are formed in the side wall of the main shaft (6) close to the material blocking cone (16) along the radial direction; a spray head group is sleeved on the main shaft (6), the spray head group corresponds to the granulation hole (17), and the spray head group is in interference fit with the main shaft (6); a bearing seat (7) and a large belt wheel (1) are sleeved on the main shaft (6) and between the granulation hole (17) and the hopper (5), the bearing seat (7) is fixedly connected with a fixed disc (8), the large belt wheel (1) is connected with a small belt wheel (3) through a transmission belt (2), and the small belt wheel (3) is fixedly connected on an output shaft of a stepless variable-frequency speed-regulating motor (4);
the spray head group comprises an upper cover plate (9), a first layer of granulation spray heads (10), a second layer of granulation spray heads (11), a third layer of granulation spray heads (12) and a fourth layer of granulation spray heads (13) which are arranged in sequence from top to bottom; the cover plate (9), the first layer of granulating nozzle (10), the second layer of granulating nozzle (11), the third layer of granulating nozzle (12) and the fourth layer of granulating nozzle (13) are all provided with bolt holes (20) and are connected through connecting bolts (15) arranged in the bolt holes (20).
2. The granulator for tower-type granulation and production of compound fertilizer according to claim 1, characterized in that the first layer of granulation nozzles (10), the second layer of granulation nozzles (11), the third layer of granulation nozzles (12) and the fourth layer of granulation nozzles (13) are all circular, and 20-40 bumps (19) are uniformly and fixedly connected to the outer circumference of one surface of each of the first layer of granulation nozzles (10), the second layer of granulation nozzles (11), the third layer of granulation nozzles (12) and the fourth layer of granulation nozzles (13); the distances among the bumps (19) on the first layer of granulation spray head (10), the second layer of granulation spray head (11), the third layer of granulation spray head (12) and the fourth layer of granulation spray head (13) are equal;
sinking cavities (21) are formed in the other surfaces of the first layer of granulating spray head (10), the second layer of granulating spray head (11) and the third layer of granulating spray head (12); the surfaces, fixedly connected with the lugs (19), of the second-layer granulation nozzle (11), the third-layer granulation nozzle (12) and the fourth-layer granulation nozzle are sequentially embedded in the sinking cavity (21) from top to bottom, and the lugs of the first-layer granulation nozzle (10), the second-layer granulation nozzle (11), the third-layer granulation nozzle (12) and the fourth-layer granulation nozzle (13) are arranged in a staggered mode; the depth of the sunken cavity (21) is smaller than the height of the bump (19).
3. A granulator for tower-type granulation production of compound fertilizers according to claim 2, characterized in that the side of the bump (19) close to the main shaft (6) is a circular arc, and the radian of the circular arc is less than 180 degrees.
4. A granulator for tower-type granulation production of compound fertilizers according to claim 3, wherein the side of the first layer of granulation nozzles (10), the second layer of granulation nozzles (11), the third layer of granulation nozzles (12) and the fourth layer of granulation nozzles (13) on which the bumps (19) are fixedly connected is an inclined plane, and the inclination angle of the inclined plane is 5-8 degrees.
5. A granulator for tower-type granulation production of compound fertilizers according to claim 4, wherein the distance between the side of the cover plate (9) where the bumps (19) are fixed to the fourth layer of granulation nozzles is larger than the axial length of the granulation holes (17).
6. A granulator for tower type granulation production of compound fertilizers according to claim 5, characterized in that the side wall of the main shaft (6) is provided with external threads (18); the main shaft (6) is connected with a locking nut (14) through the external thread (18), and the locking nut (14) is arranged at the position, close to the bottom, of the main shaft (6) and is in contact with the fourth layer granulation nozzle (13).
7. A granulator for tower-type granulation production of compound fertilizers according to any of claims 1 to 6, characterized in that the shape of the granulation holes (17) is rectangular, the length of the granulation holes (17) along the axial direction is 5mm to 15mm, and the width is 4mm to 10mm.
8. A granulator for tower-type granulation production of compound fertilizers according to claim 7, characterized in that the sum of the areas of said granulation holes (17) is larger than the area of the inner circle of said main shaft (6).
9. A granulator for tower-type granulation production of compound fertilizers according to claim 8, characterized in that the top of the material blocking cone (16) is cone-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009952.2U CN218530820U (en) | 2022-07-28 | 2022-07-28 | Granulator for producing compound fertilizer by tower granulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009952.2U CN218530820U (en) | 2022-07-28 | 2022-07-28 | Granulator for producing compound fertilizer by tower granulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218530820U true CN218530820U (en) | 2023-02-28 |
Family
ID=85268797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222009952.2U Active CN218530820U (en) | 2022-07-28 | 2022-07-28 | Granulator for producing compound fertilizer by tower granulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218530820U (en) |
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2022
- 2022-07-28 CN CN202222009952.2U patent/CN218530820U/en active Active
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Effective date of registration: 20240306 Address after: 472000 Beiliang village, Jiaokou Township, Sanmenxia City, Henan Province (in Hubin Industrial Park) Patentee after: Sanmenxia Hao Bo Chemical Engineering Co.,Ltd. Country or region after: China Address before: 472000 room 1406, unit 3, building 4, Tiansheng Yujing, Sanmenxia City, Henan Province Patentee before: Yang Jianmin Country or region before: China |