CN217662860U - Stirring device for producing polyurethane glue - Google Patents
Stirring device for producing polyurethane glue Download PDFInfo
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- CN217662860U CN217662860U CN202221400918.1U CN202221400918U CN217662860U CN 217662860 U CN217662860 U CN 217662860U CN 202221400918 U CN202221400918 U CN 202221400918U CN 217662860 U CN217662860 U CN 217662860U
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- 238000003756 stirring Methods 0.000 title claims abstract description 123
- 239000003292 glue Substances 0.000 title claims abstract description 30
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 25
- 239000004814 polyurethane Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 74
- 230000000694 effects Effects 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 6
- 229920000570 polyether Polymers 0.000 abstract description 6
- 229920005862 polyol Polymers 0.000 abstract description 6
- 150000003077 polyols Chemical class 0.000 abstract description 6
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to a polyurethane glue processing equipment technical field specifically is a agitating unit is used in production of polyurethane glue, including stirring the storehouse, the bottom in stirring the storehouse and the top fixed welding who supports the base, support the inner wall of base and the outer wall sliding connection of driving piece, the outer wall of driving piece output shaft is connected with the inner wall block of first driving piece, the inner wall of first driving piece is connected with the bottom block of first stirring piece through first puddler, the bottom of first stirring piece rotates with the inner diapire in stirring the storehouse to be connected, through pour into the raw materials into stirring the storehouse in, starts the driving piece, and the driving piece drives first stirring piece and second stirring piece simultaneously through first driving piece and rotates, and subtend rotation first stirring piece and second stirring piece when stirring the storehouse internal rotation, can effectually be in the same place the abundant mixing of polyether polyol and isocyanate group, have improved the work efficiency of device, offer convenience for people's use.
Description
Technical Field
The utility model relates to a polyurethane glue processing equipment technical field specifically is a polyurethane is agitating unit for glue production.
Background
Polyurethane glues are glues containing urethane groups and isocyanate groups in the molecular chain, and are generally prepared by reacting polyether polyols with isocyanates. The adhesive contains isocyanate and carbamate with strong polarity, has high reactivity and can be cured at room temperature, so that the adhesive has excellent adhesive property on various materials such as metal, rubber, glass, ceramics, plastics, wood, fabrics, leather and the like. The main chain of the polyurethane has good flexibility, the polyurethane has the biggest characteristics of impact shock resistance and bending fatigue resistance, the peeling strength is high, the low-temperature resistance is excellent, and the polyurethane is taken as a chelating agent in the existing glue. The polyurethane glue has simple and convenient process, can be cured at room temperature and under heating, has small thermal stress influence when different materials are glued, and has wide application in various fields. The polyurethane glue has poor water resistance and heat resistance and needs to be paid attention to when in selection.
Most agitating unit for polyurethane glue production in the existing market can only carry out the ascending stirring of single side when using, such stirring can not be abundant make polyether polyol and isocyanate group abundant mix together, has reduced the work efficiency of device, brings inconvenience for people's use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polyurethane is agitating unit for glue production to the problem that can only carry out the ascending stirring of single side is proposed in solving above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyurethane is agitating unit for glue production, includes the stirring storehouse, the bottom in stirring storehouse and the top fixed weld who supports the base, the inner wall of supporting the base and the outer wall sliding connection of driving piece, the outer wall of driving piece output shaft is connected with the inner wall block of first transmission piece, the inner wall of first transmission piece is connected with the bottom block of first stirring piece through first puddler.
The bottom of the first stirring piece is rotatably connected with the inner bottom wall of the stirring bin, the bottom of the first stirring piece is connected with the inner wall of the second stirring piece in a clamping mode through a transmission rod, the inner wall of the second stirring piece is connected with the outer wall of the cleaning piece in a clamping mode, the outer wall of the cleaning piece is rotatably connected with the inner wall of the stirring bin, and the inner wall of the first stirring piece is connected with the inner wall of the second stirring piece in a clamping mode through a second stirring rod.
Preferably, the stirring storehouse comprises processing storehouse, charge-in pipeline and discharge line, and the bottom in processing storehouse and the top fixed weld who supports the base, and the fixed weld of the interior roof in processing storehouse and the one end of charge-in pipeline, and the other end of charge-in pipeline is provided with sealed lid, and the fixed weld of the one end of the interior diapire in processing storehouse and discharge line, and the junction of processing storehouse and discharge line is provided with the check valve.
Preferably, the driving piece comprises locating piece and servo motor, and the outside of locating piece and the inner wall sliding connection who supports the base, and the locating piece is close to one side of servo motor and has seted up the constant head tank, and the inner wall of constant head tank is connected with servo motor's outer wall block.
Preferably, the first transmission piece consists of a first driving wheel, a first driven wheel, a first transmission belt, a first transmission wheel and a first linkage wheel, the outer wall of the first driving wheel is in transmission connection with the first driven wheel, the first transmission wheel and the first linkage wheel through the first transmission belt, and the inner wall of the first driving wheel is in clamping connection with the outer wall of the output shaft of the servo motor.
Preferably, first stirring piece comprises first agitator disk, guide block and first agitator block, and first agitator disk is connected through the inner wall transmission of first puddler with first linkage wheel, and the wedge groove has been seted up to the inner wall of first agitator disk, and the shape size of wedge groove all matches each other with discharge pipe's shape size, and the edge part of wedge groove and the fixed welding in bottom of guide block, and the top of first agitator disk and the fixed welding in bottom of first agitator block, and the outer wall of first agitator block slides the butt with the inner wall in processing storehouse.
Preferably, the second transmission part consists of a second driving wheel, a second transmission belt and a second transmission wheel, the inner wall of the second driving wheel is in transmission connection with the first linkage wheel through a transmission rod, and the second driving wheel is in transmission connection with the second transmission wheel through the second transmission belt.
Preferably, the clearance piece comprises clearance pole and helical blade, and the outer wall of clearance pole is connected with the inner wall block of second drive wheel, and the one end of clearance pole runs through discharge line's outer wall and extends to discharge line's inside, and the clearance pole is located the fixed welding of the outer wall of discharge line inside and helical blade's inner wall, helical blade's outer wall and discharge line's inner wall activity butt.
Preferably, the second stirring piece consists of a second stirring disc and a second stirring block, the second stirring disc is in transmission connection with the first transmission wheel through a second stirring rod, the top of the second stirring disc is fixedly welded with the bottom of the second stirring block, and the outer wall of the second stirring block is in sliding connection with the outer wall of the first stirring block.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, through with the raw materials injection stirring storehouse in, start the driving piece, the driving piece drives first stirring piece and second stirring piece simultaneously through first driving medium and rotates, and first stirring piece of subtend rotation and second stirring piece can be effectual with the abundant mixture of polyether polyol and isocyanate together when stirring the storehouse internal rotation, have improved the work efficiency of device, and the use of giving people offers convenience.
The utility model discloses in, the driving piece drives the rotation of second driving medium through first driving medium, makes the clearance piece rotate at discharge pipeline's inner wall, and the inner wall of having avoided discharge pipeline appears glue and remains, and the use of giving people facilitates.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an exploded view of the present invention.
In the figure: 1. a stirring bin; 101. a processing bin; 102. a feed conduit; 103. a discharge conduit; 2. a support base; 3. a drive member; 301. positioning a block; 302. a servo motor; 4. a first transmission member; 401. a first driving wheel; 402. a first driven wheel; 403. a first drive belt; 404. a first drive pulley; 405. a first linkage wheel; 5. a first stirring member; 501. a first stirring plate; 502. a guide block; 503. a first stirring block; 6. a second transmission member; 601. a second drive wheel; 602. a second belt; 603. a second transmission wheel; 7. cleaning the workpiece; 701. cleaning the rod; 702. a helical blade; 8. a second stirring member; 801. a second stirring plate; 802. a second stirring block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a polyurethane is agitating unit for glue production, includes stirring storehouse 1, stirs the bottom in storehouse 1 and the fixed welding in top of supporting base 2, supports the inner wall of base 2 and the outer wall sliding connection of driving piece 3, and the outer wall of the 3 output shafts of driving piece is connected with the inner wall block of first transmission piece 4, and the inner wall of first transmission piece 4 is connected with the bottom block of first stirring piece 5 through first puddler.
The bottom of the first stirring piece 5 is rotationally connected with the inner bottom wall of the stirring bin 1, the bottom of the first transmission piece 4 is connected with the inner wall of the second transmission piece 6 through a transmission rod in a clamping mode, the inner wall of the second transmission piece 6 is connected with the outer wall of the cleaning piece 7 in a clamping mode, the outer wall of the cleaning piece 7 is rotationally connected with the inner wall of the stirring bin 1, and the inner wall of the first transmission piece 4 is connected with the inner wall of the second stirring piece 8 through a second stirring rod in a clamping mode.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the stirring bin 1 is composed of a processing bin 101, a feeding pipeline 102 and a discharging pipeline 103, the bottom of the processing bin 101 is fixedly welded to the top of the supporting base 2, the inner top wall of the processing bin 101 is fixedly welded to one end of the feeding pipeline 102, the other end of the feeding pipeline 102 is provided with a sealing cover, the inner bottom wall of the processing bin 101 is fixedly welded to one end of the discharging pipeline 103, a one-way valve is arranged at the joint of the processing bin 101 and the discharging pipeline 103, and after the one-way valve is opened, glue in the processing bin 101 can be discharged through the discharging pipeline 103.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the driving member 3 is composed of a positioning block 301 and a servo motor 302, the outside of the positioning block 301 is slidably connected to the inner wall of the supporting base 2, a positioning groove is formed in one side of the positioning block 301 close to the servo motor 302, the inner wall of the positioning groove is connected to the outer wall of the servo motor 302 in a clamping manner, the positioning block 301 can effectively reduce the vibration generated by the servo motor 302 during working, and meanwhile, convenience is brought to the maintenance work of workers by inserting the positioning block into the supporting base 2.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the first transmission member 4 is composed of a first driving wheel 401, a first driven wheel 402, a first transmission belt 403, a first transmission wheel 404 and a first linkage wheel 405, an outer wall of the first driving wheel 401 is in transmission connection with the first driven wheel 402, the first transmission wheel 404 and the first linkage wheel 405 through the first transmission belt 403, an inner wall of the first driving wheel 401 is in clamping connection with an outer wall of an output shaft of the servo motor 302, the servo motor 302 drives the first driving wheel 401 to rotate, and under a friction action of the first transmission belt 403 and a transmission action of the first driven wheel 402, the first driving wheel 401 can enable the first transmission wheel 404 and the first linkage wheel 405 to rotate in opposite directions.
In this embodiment, as shown in fig. 1, fig. 2, and fig. 3, the first stirring member 5 is composed of a first stirring tray 501, a guiding block 502, and a first stirring block 503, the first stirring tray 501 is connected to an inner wall of the first linkage wheel 405 through a first stirring rod in a transmission manner, a wedge-shaped groove is formed in an inner wall of the first stirring tray 501, a shape and a size of the wedge-shaped groove are matched with those of the discharge pipe 103, an edge portion of the wedge-shaped groove is fixedly welded to a bottom of the guiding block 502, a top of the first stirring tray 501 is fixedly welded to a bottom of the first stirring block 503, an outer wall of the first stirring block 503 is slidably abutted to an inner wall of the processing bin 101, the first linkage wheel 405 can drive the first stirring tray 501 to rotate, the first stirring block 503 scrapes off glue on the inner wall of the processing bin 101 when rotating, and after stirring is completed, the glue flows into the discharge pipe 103 through the wedge-shaped groove formed in the first stirring tray 501 under a guiding effect of the guiding block 502.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the second transmission member 6 is composed of a second driving wheel 601, a second transmission belt 602 and a second transmission wheel 603, an inner wall of the second driving wheel 601 is in transmission connection with the first driving wheel 405 through a transmission rod, the second driving wheel 601 is in transmission connection with the second transmission wheel 603 through the second transmission belt 602, the first driving wheel 405 drives the second driving wheel 601 to rotate, and the second driving wheel 601 can drive the second transmission wheel 603 to rotate under the friction force of the second transmission belt 602.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the cleaning member 7 is composed of a cleaning rod 701 and a helical blade 702, an outer wall of the cleaning rod 701 is connected with an inner wall of the second driving wheel 603 in a clamping manner, one end of the cleaning rod 701 penetrates through an outer wall of the discharge pipe 103 and extends to the inside of the discharge pipe 103, the outer wall of the cleaning rod 701 located inside the discharge pipe 103 is fixedly welded to an inner wall of the helical blade 702, an outer wall of the helical blade 702 is movably abutted to the inner wall of the discharge pipe 103, the second driving wheel 603 drives the helical blade 702 to rotate in the discharge pipe 103 through the cleaning rod 701, and the glue adhered to the inner wall of the discharge pipe 103 can be scraped off.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the second stirring member 8 is composed of a second stirring plate 801 and a second stirring block 802, the second stirring plate 801 is in transmission connection with the first driving wheel 404 through a second stirring rod, the top of the second stirring plate 801 is fixedly welded to the bottom of the second stirring block 802, the outer wall of the second stirring block 802 is in sliding connection with the outer wall of the first stirring block 503, the first driving wheel 404 drives the second stirring plate 801 to rotate, the second stirring plate 801 can drive the second stirring block 802 to rotate, and the polyether polyol and the isocyanate group can be effectively and fully mixed together through the opposite rotation of the first stirring block 503 and the second stirring block 802.
The utility model discloses a use method and advantage: this kind of agitating unit is used in production of polyurethane glue is at the during operation, and the working process is as follows:
as shown in fig. 1, fig. 2 and fig. 3, through pouring into the raw materials into stirring storehouse 1, start driving piece 3, driving piece 3 drives first stirring piece 5 and second stirring piece 8 through first driving piece 4 simultaneously and rotates, when first stirring piece 5 of opposite direction rotation and second stirring piece 8 rotate in stirring storehouse 1, can be effectual with the abundant mixing of polyether polyol and isocyanate together, the work efficiency of device has been improved, bring the facility for people's use, driving piece 3 drives second driving piece 6 through first driving piece 4 and rotates, make clearance piece 7 rotate at the inner wall of exhaust pipe 103, glue residue has appeared in the inner wall of exhaust pipe 103, bring the facility for people's use.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a polyurethane is agitating unit for glue production, includes stirring storehouse (1), its characterized in that: the bottom of the stirring bin (1) is fixedly welded with the top of the supporting base (2), the inner wall of the supporting base (2) is in sliding connection with the outer wall of the driving piece (3), the outer wall of an output shaft of the driving piece (3) is in clamping connection with the inner wall of the first transmission piece (4), and the inner wall of the first transmission piece (4) is in clamping connection with the bottom of the first stirring piece (5) through a first stirring rod;
the bottom of first stirring piece (5) rotates with the interior diapire in stirring storehouse (1) to be connected, the bottom of first transmission piece (4) is passed through the transfer line and is connected with the inner wall block of second transmission piece (6), the inner wall of second transmission piece (6) is connected with the outer wall block of clearance piece (7), the outer wall of clearance piece (7) rotates with the inner wall in stirring storehouse (1) to be connected, the inner wall of first transmission piece (4) is passed through the second puddler and is connected with the inner wall block of second stirring piece (8).
2. The stirring device for polyurethane glue production according to claim 1, characterized in that: stirring storehouse (1) comprises processing storehouse (101), charge-in pipeline (102) and discharge line (103), and the bottom of processing storehouse (101) and the fixed welding in top of supporting base (2), and the fixed welding in one end of the interior roof of processing storehouse (101) and charge-in pipeline (102), and the other end of charge-in pipeline (102) is provided with sealed lid, and the fixed welding in one end of the interior bottom wall of processing storehouse (101) and discharge line (103), and the junction of processing storehouse (101) and discharge line (103) is provided with the check valve.
3. The stirring device for producing polyurethane glue according to claim 1, wherein: the driving piece (3) is composed of a positioning block (301) and a servo motor (302), the outside of the positioning block (301) is connected with the inner wall of the supporting base (2) in a sliding mode, a positioning groove is formed in one side, close to the servo motor (302), of the positioning block (301), and the inner wall of the positioning groove is connected with the outer wall of the servo motor (302) in a clamping mode.
4. The stirring device for producing polyurethane glue according to claim 3, wherein: the first transmission piece (4) consists of a first driving wheel (401), a first driven wheel (402), a first transmission belt (403), a first transmission wheel (404) and a first linkage wheel (405), the outer wall of the first driving wheel (401) is in transmission connection with the first driven wheel (402), the first transmission wheel (404) and the first linkage wheel (405) through the first transmission belt (403), and the inner wall of the first driving wheel (401) is connected with the outer wall of the output shaft of the servo motor (302) in a clamping mode.
5. The stirring device for polyurethane glue production according to claim 4, characterized in that: first stirring piece (5) comprises first agitator disk (501), guide block (502) and first stirring piece (503), and first agitator disk (501) are connected through the inner wall transmission of first puddler with first linkage wheel (405), and the wedge groove has been seted up to the inner wall of first agitator disk (501), and the shape size in wedge groove all matches each other with the shape size of discharge pipe (103), and the edge part in wedge groove and the fixed welding in bottom of guide block (502), and the fixed welding in bottom of the top of first agitator disk (501) and first stirring piece (503), and the outer wall of first stirring piece (503) and the inner wall sliding butt of processing storehouse (101).
6. The stirring device for polyurethane glue production according to claim 4, characterized in that: the second transmission part (6) consists of a second driving wheel (601), a second transmission belt (602) and a second transmission wheel (603), the inner wall of the second driving wheel (601) is in transmission connection with the first linkage wheel (405) through a transmission rod, and the second driving wheel (601) is in transmission connection with the second transmission wheel (603) through the second transmission belt (602).
7. The stirring device for polyurethane glue production according to claim 6, characterized in that: clearance piece (7) comprise clearance pole (701) and helical blade (702), and the outer wall of clearance pole (701) is connected with the inner wall block of second drive wheel (603), and the one end of clearance pole (701) runs through the outer wall of discharge pipe (103) and extends to the inside of discharge pipe (103), and clearance pole (701) are located the fixed welding of the inner wall of the outer wall of discharge pipe (103) inside and helical blade (702), the outer wall of helical blade (702) and the inner wall activity butt of discharge pipe (103).
8. The stirring device for polyurethane glue production according to claim 4, characterized in that: the second stirring piece (8) is composed of a second stirring disc (801) and a second stirring block (802), the second stirring disc (801) is in transmission connection with the first transmission wheel (404) through a second stirring rod, the top of the second stirring disc (801) is fixedly welded with the bottom of the second stirring block (802), and the outer wall of the second stirring block (802) is in sliding connection with the outer wall of the first stirring block (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221400918.1U CN217662860U (en) | 2022-06-06 | 2022-06-06 | Stirring device for producing polyurethane glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221400918.1U CN217662860U (en) | 2022-06-06 | 2022-06-06 | Stirring device for producing polyurethane glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217662860U true CN217662860U (en) | 2022-10-28 |
Family
ID=83708506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221400918.1U Active CN217662860U (en) | 2022-06-06 | 2022-06-06 | Stirring device for producing polyurethane glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217662860U (en) |
-
2022
- 2022-06-06 CN CN202221400918.1U patent/CN217662860U/en active Active
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Denomination of utility model: A stirring device for the production of polyurethane adhesive Granted publication date: 20221028 Pledgee: Binzhou Wudi Branch of Qilu Bank Co.,Ltd. Pledgor: Shandong Runbo new materials Co.,Ltd. Registration number: Y2024980033856 |