CN216073635U - Polyester polyol production conveying equipment - Google Patents
Polyester polyol production conveying equipment Download PDFInfo
- Publication number
- CN216073635U CN216073635U CN202121130701.9U CN202121130701U CN216073635U CN 216073635 U CN216073635 U CN 216073635U CN 202121130701 U CN202121130701 U CN 202121130701U CN 216073635 U CN216073635 U CN 216073635U
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- Prior art keywords
- polyester polyol
- kettle body
- pipeline
- barrel
- filtering
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- 229920005906 polyester polyol Polymers 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000010412 perfusion Effects 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims description 35
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 7
- 229920005862 polyol Polymers 0.000 claims description 7
- 150000003077 polyols Chemical class 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 229910000792 Monel Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- QFGIVKNKFPCKAW-UHFFFAOYSA-N [Mn].[C] Chemical compound [Mn].[C] QFGIVKNKFPCKAW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Polyesters Or Polycarbonates (AREA)
Abstract
The utility model discloses polyester polyol production and conveying equipment which is characterized by comprising a reaction kettle, a filtering device connected with the output end of the reaction kettle and a polyester polyol perfusion device connected with the filtering device, wherein the reaction kettle comprises a kettle body, a vacuum pump connected with the kettle body and an air pipe connected between the vacuum pump and the kettle body, and a proportional control valve is arranged on the air pipe; the kettle body is provided with a stirring mechanism, and the side part of the kettle body is provided with at least two groups of hollow jackets; the middle part of the kettle body is provided with at least two groups of liquid coil pipes, and the upper end and the lower end of the kettle body are respectively provided with a water inlet and a water outlet corresponding to the liquid coil pipes; the filtering device comprises a filtering barrel and a filtering net arranged in the filtering barrel, the bottom of the filtering barrel is provided with an output pipeline, and the output pipeline is connected with the polyester polyol perfusion device; the output pipeline of the reaction kettle is provided with a pipeline branch, and the pipeline branch is connected with a storage intermediate tank. The utility model has simple structure and convenient operation.
Description
Technical Field
The utility model relates to the technical field of polyol production equipment, in particular to production equipment for polyester polyol.
Background
The reaction kettle is a comprehensive reaction container, and the structural function and the configuration accessories of the reaction kettle are designed according to reaction conditions. The material is carbon manganese steel, stainless steel, zirconium, nickel-base (Hastelloy, Monel, inconel) alloy and other composite materials. The initial feeding, reaction and discharging can complete preset reaction steps with high automation degree, and important parameters such as temperature, pressure, mechanical control (stirring, blowing and the like), reactant/product concentration and the like in the reaction process are strictly regulated and controlled. However, since the conventional cooling apparatus and heating apparatus are generally disposed in the side portion sandwich of the reaction vessel, a large pressure is easily generated due to a high temperature in the reaction vessel when cooling with water. On the other hand, in general, polyester polyol comes out of a reaction kettle, needs to be barreled firstly, then is manually transported to a designated station when being used, and is put into production, so that workers need to consume a large amount of labor force to carry, the labor intensity is high, and the production efficiency is low.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides the polyester polyol production conveying equipment which is simple in structure, convenient to operate, capable of reducing the labor intensity of workers and high in production efficiency.
The utility model adopts the following technical scheme to realize the purpose: the polyester polyol production and conveying equipment is characterized by comprising a reaction kettle, a filtering device connected with the output end of the reaction kettle, and a polyester polyol filling device connected with the filtering device.
The reaction kettle comprises a kettle body, a vacuum pump connected with the kettle body and an air pipe connected between the vacuum pump and the kettle body, wherein the air pipe is provided with a proportional control valve, and the vacuum degree is controlled by adjusting the opening degree of the proportional control valve; the kettle body is provided with a stirring mechanism, the side part of the kettle body is provided with at least two groups of hollow jackets, at least one group of hollow jackets in the at least two groups of hollow jackets is filled with heat conducting oil, at least one group of hollow jackets is filled with cooling liquid, the upper end and the lower end of the hollow jackets filled with the heat conducting oil are respectively provided with a heat conducting oil inlet and a heat conducting oil outlet, and the upper end and the lower end of the hollow jackets filled with the cooling liquid are respectively provided with a cooling liquid inlet and a cooling liquid outlet; the middle part of the kettle body is provided with at least two groups of liquid coils, at least one group of liquid coils in the at least two groups of liquid coils is filled with heat conducting oil, at least one group of liquid coils is filled with cooling liquid, and the upper end and the lower end of the kettle body are respectively provided with a water inlet and a water outlet corresponding to the liquid coils, so that the inside and the outside of the kettle body can be heated and cooled simultaneously.
The filtering device comprises a filtering barrel and a filtering net arranged in the filtering barrel, an output pipeline is arranged at the bottom of the filtering barrel, and the output pipeline is connected with the polyester polyol filling device.
The polyester polyol filling device comprises a filling head and a control valve arranged on the filling head.
Reation kettle's output pipeline is provided with the pipeline branch, the pipeline branch is connected with stores the pans, it is connected with transfer output pipeline to store the pans, polyester polyol pumping installations, transfer output pipeline connects in the lower part of storing the pans, polyester polyol pumping installations and transfer output pipeline are connected, the polyester polyol that comes out from reation kettle is sent into and stores the back in storing the pans, start polyester polyol pumping installations down next station pump sending when waiting to use.
As a further explanation of the above scheme, a barrel cover is arranged at the top of the filter barrel, one side of the barrel cover is hinged with the upper edge of the filter barrel, a clasp is arranged at the other side of the barrel cover, and a clasp position corresponding to the clasp is arranged on the filter barrel.
Further, the bottom of the kettle body is provided with a discharge pipeline, the discharge pipeline extends to the upper part of the filter vat, and the output pipeline at the bottom of the filter vat horizontally extends downwards and is horizontally bent and connected to the polyester polyol filling device.
Further, the cooling liquid adopts a cooling water form, and the liquid coil is spirally arranged around the center line of the kettle body; the hollow jacket spirally extends from bottom to top along the side part of the kettle body.
Further, the stirring mechanism comprises a motor device and a stirring rod vertically arranged in the kettle body, wherein the stirring rod is positioned in the middle of the liquid coil pipe, and the motor device is arranged on the upper part of the kettle body and connected with the driving stirring rod.
Furthermore, a charging bucket supporting position is arranged below the filling head, and a charging bucket is placed on the charging bucket supporting position.
Further, a tank body supporting seat is arranged below the storage intermediate tank, and the tank body supporting seat comprises at least two U-shaped supports which are arranged in parallel.
Furthermore, a first middle connecting pipe is connected between the transfer output pipeline and the polyester polyol pumping device, first flange plates are arranged at two ends of the first middle connecting pipe respectively, and a first flange part is arranged on the polyester polyol pumping device and is in connection fit with the first flange plates.
Furthermore, a control valve is arranged on the first middle connecting pipe to control the connection and disconnection between the first output pipeline and the polyol pumping device; the polyol pumping device comprises a water pump and a pumping pipeline connected with the water pump.
Furthermore, an intermediate connecting pipeline II is connected between the water pump and the pumping pipeline, two ends of the intermediate connecting pipeline are respectively provided with a flange plate II, and the polyester polyol pumping device is provided with a flange part II which is in connection fit with the flange plate II.
The utility model adopts the technical scheme to achieve the beneficial effects.
1. The utility model adopts a polyester polyol production structure which mainly comprises a reaction kettle, a filtering device connected with the output end of the reaction kettle and a polyester polyol perfusion device connected with the filtering device, wherein the upper end and the lower end of the kettle body are respectively provided with a water inlet and a water outlet corresponding to the liquid coil pipe, so that the temperature inside and outside the kettle body can be simultaneously raised and lowered, and the production efficiency is greatly improved; filter equipment lug connection reation kettle carries out the filtration process, carries out the material packing through polyester polyol perfusion device after filtering and handles, and whole process need not artifical the participation, great improvement production efficiency and reduction workman intensity of labour.
2. Adopt mainly by storing the pans, with the transfer output pipeline of storing the intervalve connection, the storage transfer structure that polyester polyol pumping installations constitutes, transfer output pipeline connects in the lower part of storing the pans, polyester polyol pumping installations is connected with output pipeline, the polyester polyol that comes out from reation kettle is sent into and stores the back in storing the pans, start polyester polyol pumping installations down next station pump sending when waiting to use, compared with the prior art, easy operation is convenient, need not the manual work and carry, great reduction workman's intensity of labour.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. the device comprises a reaction kettle 1-1, a kettle body 1-11, a hollow jacket 1-12, a liquid coil pipe 1-2, a vacuum pump 1-3, an air pipe 1-4, a proportional control valve 2, a filtering device 2-1, a filtering barrel 2-2, a filtering net 2-3, a barrel cover 3, a polyester polyol pouring device 4, a stirring mechanism 4-1, a motor device 4-2, a stirring rod 5, a pipeline branch 6, a storage intermediate tank 7, a transfer output pipeline 8, a polyester polyol pumping device 8-1, a flange part I9, a tank body supporting seat 10, an intermediate connecting pipe I11, a flange plate I12, a control valve 13, an intermediate connecting pipe II 13-1 and a flange plate II.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.
As shown in figure 1, the utility model is a polyester polyol production conveying device, which comprises a reaction kettle 1, a filtering device 2 connected with the output end of the reaction kettle, and a polyester polyol perfusion device 3 connected with the filtering device, wherein the reaction kettle comprises a kettle body 1-1, a vacuum pump 1-2 connected with the kettle body, and an air pipe 1-3 connected between the vacuum pump and the kettle body, a proportional control valve 1-4 is arranged on the air pipe, and the degree of vacuum is controlled by adjusting the opening degree of the proportional control valve; the stirring mechanism 4 is arranged on the kettle body, the stirring mechanism 4 comprises a motor device 4-1 and a stirring rod 4-2 vertically arranged in the kettle body, the stirring rod is positioned in the middle of the liquid coil pipe, and the motor device is arranged on the upper portion of the kettle body and connected with a driving stirring rod. At least two groups of hollow jackets 1-11 are arranged at the side part of the kettle body 1-1, at least one group of hollow jackets in the at least two groups of hollow jackets is filled with heat conducting oil, at least one group of hollow jackets is filled with cooling liquid, the upper end and the lower end of the hollow jackets filled with the heat conducting oil are respectively provided with a heat conducting oil inlet and a heat conducting oil outlet, and the upper end and the lower end of the hollow jackets filled with the cooling liquid are respectively provided with a cooling liquid inlet and a cooling liquid outlet; two groups of liquid coil pipes 1-12 are arranged in the middle of the kettle body, heat conducting oil is filled in two groups of liquid coil pipes in the two groups of liquid coil pipes, cooling liquid is filled in the two groups of liquid coil pipes, and the upper end and the lower end of the kettle body are respectively provided with a water inlet and a water outlet corresponding to the liquid coil pipes, so that the inside and the outside of the kettle body can be simultaneously heated and simultaneously cooled; the cooling liquid adopts a cooling water form, and the liquid coil is spirally arranged around the central line of the kettle body; the hollow jacket spirally extends from bottom to top along the side part of the kettle body. The filtering device 2 comprises a filtering barrel 2-1 and a filtering screen 2-2 arranged in the filtering barrel, and an output pipeline is arranged at the bottom of the filtering barrel and connected with a polyester polyol filling device; the polyester polyol filling device 3 comprises a filling head and a control valve arranged on the filling head.
The top of the filter barrel is provided with a barrel cover 2-3, one side of the barrel cover is hinged with the upper edge of the filter barrel, the other side of the barrel cover is provided with a clasp, and the filter barrel is provided with a clasp position corresponding to the clasp. The bottom of the kettle body is provided with a discharge pipeline, the discharge pipeline extends to the upper part of the filter vat, and the output pipeline at the bottom of the filter vat horizontally extends downwards and is horizontally bent to be connected to a polyester polyol filling device.
Furthermore, the lower part of the filling head is provided with a charging bucket supporting position, the charging bucket is placed on the charging bucket supporting position, a worker only needs to replace another charging bucket after the charging bucket is filled with the filling material, and the operation is simple and convenient.
Further, reation kettle's output pipeline is provided with pipeline branch 5, pipeline branch 5 is connected with stores intermediate tank 6, it is connected with transfer output pipeline 7 to store the intermediate tank, polyester polyol pumping installations 8, transfer output pipeline 7 is connected in the lower part of storing intermediate tank 6, polyester polyol pumping installations and transfer output pipe connection, the polyester polyol that comes out from reation kettle is sent into and stores the back in storing the intermediate tank, start polyester polyol pumping installations down next station pump when waiting to use. The lower part of the storage intermediate tank is provided with a tank body supporting seat 9 which comprises at least two U-shaped supporting seats arranged in parallel.
Furthermore, a middle connecting pipe I10 is connected between the transfer output pipeline 7 and the polyester polyol pumping device 8, two ends of the middle connecting pipe I are respectively provided with a flange plate I11, and the polyester polyol pumping device is provided with a flange part I8-1 which is in connection fit with the flange plate I11. A control valve 12 is arranged on the middle connecting pipe I10 and used for controlling the connection and disconnection between the output pipeline I and the polyol pumping device; the polyol pumping device 8 comprises a water pump and a pumping pipeline connected with the water pump. An intermediate connecting pipeline II 13 is connected between the water pump and the pumping pipeline, two ends of the intermediate connecting pipeline are respectively provided with a flange plate II 13-1, and the polyester polyol pumping device is provided with a flange part II which is in connection fit with the flange plate II.
Compared with the prior art, the temperature inside and outside the kettle body can be simultaneously raised and lowered, so that the production efficiency is greatly improved; the filtering device is directly connected with the reaction kettle to perform a filtering process, and after filtering, material packaging is performed through the polyester polyol filling device, so that the whole process does not need manual participation, the production efficiency is greatly improved, and the labor intensity of workers is reduced; adopt mainly by storing the pans, with the transfer output pipeline of storing the intervalve connection, the storage transfer structure that polyester polyol pumping installations constitutes, transfer output pipeline connects in the lower part of storing the pans, polyester polyol pumping installations is connected with output pipeline, the polyester polyol that comes out from reation kettle is sent into and stores the back in storing the pans, start polyester polyol pumping installations down next station pump sending when waiting to use, compared with the prior art, easy operation is convenient, need not the manual work and carry, great reduction workman's intensity of labour.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (10)
1. A polyester polyol production and conveying device is characterized by comprising a reaction kettle, a filtering device connected with the output end of the reaction kettle, and a polyester polyol filling device connected with the filtering device,
the reaction kettle comprises a kettle body, a vacuum pump connected with the kettle body and an air pipe connected between the vacuum pump and the kettle body, wherein the air pipe is provided with a proportional control valve, and the vacuum degree is controlled by adjusting the opening degree of the proportional control valve; the kettle body is provided with a stirring mechanism, the side part of the kettle body is provided with at least two groups of hollow jackets, at least one group of hollow jackets in the at least two groups of hollow jackets is filled with heat conducting oil, at least one group of hollow jackets is filled with cooling liquid, the upper end and the lower end of the hollow jackets filled with the heat conducting oil are respectively provided with a heat conducting oil inlet and a heat conducting oil outlet, and the upper end and the lower end of the hollow jackets filled with the cooling liquid are respectively provided with a cooling liquid inlet and a cooling liquid outlet; at least two groups of liquid coil pipes are arranged in the middle of the kettle body, at least one group of liquid coil pipe in the at least two groups of liquid coil pipes is filled with heat conducting oil, at least one group of liquid coil pipe is filled with cooling liquid, and the upper end and the lower end of the kettle body are respectively provided with a water inlet and a water outlet corresponding to the liquid coil pipes;
the filtering device comprises a filtering barrel and a filtering net arranged in the filtering barrel, the bottom of the filtering barrel is provided with an output pipeline, and the output pipeline is connected with the polyester polyol perfusion device;
the polyester polyol filling device comprises a filling head and a control valve arranged on the filling head;
the output pipeline of reation kettle is provided with the pipeline branch, and the pipeline branch is connected with stores the pans, stores the pans and is connected with transfer output pipeline, polyester polyol pumping installations, and transfer output pipeline connects in the lower part of storing the pans, and polyester polyol pumping installations is connected with transfer output pipeline.
2. The polyester polyol production conveying equipment as claimed in claim 1, wherein a barrel cover is arranged at the top of the filter barrel, one side of the barrel cover is hinged with the upper edge of the filter barrel, a clasp is arranged at the other side of the barrel cover, and the filter barrel is provided with a buckle position corresponding to the clasp.
3. The polyester polyol production conveying equipment as claimed in claim 1, wherein a discharge pipeline is arranged at the bottom of the kettle body, the discharge pipeline extends to the upper part of the filter barrel, and the output pipeline at the bottom of the filter barrel extends horizontally downwards and is horizontally bent to be connected to a polyester polyol filling device.
4. The polyester polyol production conveying equipment according to claim 1, wherein the cooling liquid is in the form of cooling water, and the liquid coil is spirally arranged around the center line of the kettle body; the hollow jacket spirally extends from bottom to top along the side part of the kettle body.
5. The polyester polyol production conveying equipment is characterized in that the stirring mechanism comprises a motor device and a stirring rod vertically arranged in the kettle body, the stirring rod is located in the middle of the liquid coil pipe, and the motor device is arranged on the upper portion of the kettle body and connected with and drives the stirring rod.
6. The polyester polyol production conveying equipment as claimed in claim 1, wherein a material barrel supporting position is arranged below the pouring head, and a material barrel is placed on the material barrel supporting position.
7. The polyester polyol production conveying equipment as claimed in claim 1, wherein a tank body supporting seat is arranged below the storage intermediate tank, and the tank body supporting seat comprises at least two U-shaped supports arranged in parallel.
8. The polyester polyol production conveying equipment as claimed in claim 1, wherein a first intermediate connecting pipe is connected between the transfer output pipeline and the polyester polyol pumping device, first flanges are respectively arranged at two ends of the first intermediate connecting pipe, and the first flange is arranged on the polyester polyol pumping device and is in connection fit with the first flange.
9. The production and conveying equipment for polyester polyol according to claim 8, wherein a control valve is arranged on the first intermediate connecting pipe to control the connection and disconnection between the first output pipeline and the polyol pumping device; the polyol pumping device comprises a water pump and a pumping pipeline connected with the water pump.
10. The polyester polyol production conveying equipment as claimed in claim 1, wherein a second intermediate connecting pipeline is connected between the water pump and the pumping pipeline, two flanges are respectively arranged at two ends of the second intermediate connecting pipeline, and the second flange is in connection fit with the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121130701.9U CN216073635U (en) | 2021-05-25 | 2021-05-25 | Polyester polyol production conveying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121130701.9U CN216073635U (en) | 2021-05-25 | 2021-05-25 | Polyester polyol production conveying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216073635U true CN216073635U (en) | 2022-03-18 |
Family
ID=80662636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121130701.9U Active CN216073635U (en) | 2021-05-25 | 2021-05-25 | Polyester polyol production conveying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216073635U (en) |
-
2021
- 2021-05-25 CN CN202121130701.9U patent/CN216073635U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528000 No.29, area a, datangyuan, central science and Technology Industrial Zone, Sanshui District, Foshan City, Guangdong Province (self number: F4, F5) Patentee after: Guangdong Huaborun Material Technology Co.,Ltd. Address before: 528100 No.29, area a, datangyuan, central science and Technology Industrial Zone, Sanshui District, Foshan City, Guangdong Province (self number: F4, F5) Patentee before: FOSHAN HUABORUN MATERIAL TECHNOLOGY Co.,Ltd. |
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