CN113667817A - Anti-bonding device for production of cold-rolled steel strip annealing furnace - Google Patents
Anti-bonding device for production of cold-rolled steel strip annealing furnace Download PDFInfo
- Publication number
- CN113667817A CN113667817A CN202110986137.9A CN202110986137A CN113667817A CN 113667817 A CN113667817 A CN 113667817A CN 202110986137 A CN202110986137 A CN 202110986137A CN 113667817 A CN113667817 A CN 113667817A
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- steel strip
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- rolled steel
- production
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- 239000010960 cold rolled steel Substances 0.000 title claims abstract description 29
- 238000000137 annealing Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 abstract description 25
- 239000010959 steel Substances 0.000 abstract description 25
- 238000004804 winding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses an anti-bonding device for production of a cold-rolled steel strip annealing furnace, which comprises a base, an inner ring and a top plate, wherein the inner ring is fixed at the top end of the base, a guide structure is arranged at the central position of the top end of the base, the top plate is arranged at the top end of the guide structure, limiting structures are arranged on two sides and two ends of the top plate, each limiting structure comprises a sliding groove, an adjusting groove, a push rod and a limiting plate, the sliding grooves are arranged at the top end of the top plate, and the adjusting structures are arranged at the top end of the top plate. According to the invention, the limiting structure is arranged, when the anti-sticking device is used, an operator can rotate the push rod on the side edge of the top plate to push the limiting plate through the matching of the threads when the anti-sticking device is placed on the base to be processed, so that the limiting plate is attached to the outer side edge of the steel strip, and finally the steel strip can be prevented from moving during processing through the matching of the four groups of limiting plates, so that the limiting performance of the anti-sticking device on the steel strip is realized.
Description
Technical Field
The invention relates to the technical field of cold-rolled steel strips, in particular to an anti-bonding device for production of a cold-rolled steel strip annealing furnace.
Background
The cold-rolled steel strip is formed by rolling a hot-rolled coil serving as a raw material at the temperature below the recrystallization temperature, the annealing process system of the cold-rolled steel strip is mainly determined according to the chemical composition of steel, the technical standard of products, the size of the steel strip, the coil weight and other factors, the process system must ensure that no adhesion exists between coil layers and no oxidation occurs on the surface during production, and the device is a device for preventing the steel strip from overflowing and adhering during processing;
chinese patent grant publication No. CN207958457U, publication date 2018, 10 month 12 discloses a device for preventing bonding of cold-rolled steel strip in bell-type annealing furnace production, including the steel strip winding up roller, the top recess has been seted up on the steel strip winding up roller surface, and the bottom recess has been seted up on the surface of steel strip winding up roller, and the adjustment tank has been seted up to the inner wall of top recess, and the inner wall threaded connection of adjustment tank has the regulation pole, and the measurement groove has been seted up on the surface of regulation pole, and the inner wall fixedly connected with scale of measurement groove adjusts the surperficial fixedly connected with locating piece of pole. The device for preventing the cold-rolled steel strip from being bonded in the production of the bell-type annealing furnace is characterized in that a positioning block and a positioning groove are arranged, when a steel strip winding roll needs to be used, the positioning block is connected with the positioning groove on the inner wall of a groove at the bottom of the steel strip winding roll above the positioning block, so that the effect of conveniently, stably and quickly preventing the steel strip winding roll is achieved, and the problems that the common convection disc is not convenient to bond, the steel strip is easy to bond when overflowing, and the loss is caused to a certain degree are effectively solved;
the prior art scheme has the following defects that the traditional anti-sticking device is generally inconvenient to limit the outer side of a steel belt when in use, prevents the steel belt from moving when in processing and is inconvenient to use, so that the traditional anti-sticking device needs to be improved.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide an anti-bonding device for production of a cold-rolled steel strip annealing furnace, which is used for solving the defect that the existing anti-bonding device is inconvenient for limiting a steel strip.
Disclosure of the invention
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an antiseized binding device for cold rolled steel strip annealing stove production, includes base, inner ring and roof, the top of base is fixed with the inner ring, the central point on base top puts the department and is provided with guide structure, guide structure's top is provided with the roof, the both sides and the both ends of roof all are provided with limit structure, limit structure includes spout, adjustment tank, push rod and limiting plate, the spout sets up in the top of roof, the top of roof is provided with the regulation structure.
Preferably, the guide structure comprises a bottom tube, a spring and a guide rod, the bottom tube is fixed at the central position of the top end of the base, the spring is fixed at the bottom end inside the bottom tube, and the guide rod is arranged at the top end of the spring.
Preferably, the inner diameter of the bottom tube is larger than the outer diameter of the guide rod, and the bottom tube and the guide rod form a telescopic structure.
Preferably, one side of spout is provided with the adjustment tank, the inside of adjustment tank is provided with the push rod, one side movable mounting of push rod has the limiting plate.
Preferably, the cross section of the sliding chute is larger than that of the limiting plate, and the sliding chute and the limiting plate form a slidable structure.
Preferably, four groups of sliding chutes are arranged at the top end of the top plate, and the four groups of sliding chutes are distributed annularly.
Preferably, the adjusting structure comprises a positioning hole, a fixing rod and an adjusting ring, the positioning hole is formed in the top end of the top plate, the fixing rod is arranged inside the positioning hole, and the adjusting ring is arranged on the surface of the fixing rod.
Preferably, four groups of positioning holes are formed in the top end of the top plate, and the four groups of positioning holes are symmetrically distributed.
Preferably, the surface of the fixed rod is provided with external threads, the inside of the adjusting ring is provided with internal threads, and the fixed rod is connected with the adjusting ring through threads.
(III) advantageous effects
The invention provides an anti-bonding device for production of a cold-rolled steel strip annealing furnace, which has the advantages that: by arranging the limiting structure, when the anti-sticking device is used, an operator can rotate the push rod on the side edge of the top plate and push the limiting plates through the matching of the threads to be stuck on the outer side edge of the steel strip when the steel strip is placed on the base to be machined, and finally the steel strip can be prevented from moving during machining through the matching of the four groups of limiting plates, so that the limiting performance of the anti-sticking device on the steel strip is realized;
the guide structure is arranged, the guide rod at the bottom of the top plate extends into the bottom tube and is matched with the bottom tube to form a telescopic structure, and in the later stage, when the base and the top plate are adjusted up and down, the guide rod moves in the bottom tube to guide the moving process, so that the guidance of the anti-adhesion device in use is realized;
through being provided with the regulation structure, during the use, operating personnel accessible rotates four groups of adjustable rings of regulation to this height of adjusting the below roof makes roof bottom paste in the steel band, also can finely tune it through rotating a certain group of adjustable ring alone, has realized the convenience that this antiseized knot device adjusted the messenger.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic front sectional view of a guide structure according to the present invention;
FIG. 4 is a schematic three-dimensional structure of a guide structure according to the present invention;
FIG. 5 is a schematic view of a front cross-sectional structure of the position limiting structure of the present invention;
fig. 6 is a schematic front sectional view of an adjusting structure according to the present invention.
In the figure: 1. a base; 2. an inner ring; 3. a guide structure; 301. a bottom tube; 302. a spring; 303. a guide bar; 4. a limiting structure; 401. a chute; 402. an adjustment groove; 403. a push rod; 404. a limiting plate; 5. a top plate; 6. an adjustment structure; 601. positioning holes; 602. fixing the rod; 603. an adjusting ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, an embodiment of the present invention is shown: an anti-adhesion device for production of a cold-rolled steel strip annealing furnace comprises a base 1, an inner ring 2 and a top plate 5, wherein the inner ring 2 is fixed at the top end of the base 1, a guide structure 3 is arranged at the central position of the top end of the base 1, the guide structure 3 comprises a bottom tube 301, a spring 302 and a guide rod 303, the bottom tube 301 is fixed at the central position of the top end of the base 1, the spring 302 is fixed at the bottom end inside the bottom tube 301, the guide rod 303 is arranged at the top end of the spring 302, the inner diameter of the bottom tube 301 is larger than the outer diameter of the guide rod 303, and the bottom tube 301 and the guide rod 303 form a telescopic structure;
specifically, as shown in fig. 1, 3 and 4, when the structure is used, the bottom tube 301 is installed at the center position of the top of the base 1, the guide rod 303 at the bottom of the top plate 5 extends into the bottom tube 301 to form a telescopic structure in cooperation with the bottom tube 301, and at the later stage, when the base 1 and the top plate 5 are adjusted up and down, the guide rod 303 moves inside the bottom tube 301, so that the moving process can be guided, and the occurrence of situations such as offset and the like can be prevented;
the top end of the guide structure 3 is provided with a top plate 5, two sides and two ends of the top plate 5 are provided with limit structures 4, each limit structure 4 comprises a sliding groove 401, an adjusting groove 402, a push rod 403 and a limit plate 404, the sliding groove 401 is arranged at the top end of the top plate 5, one side of the sliding groove 401 is provided with the adjusting groove 402, the push rod 403 is arranged inside the adjusting groove 402, one side of the push rod 403 is movably provided with the limit plate 404, the cross section of the sliding groove 401 is larger than that of the limit plate 404, the sliding grooves 401 and the limit plate 404 form a slidable structure, the sliding grooves 401 are provided with four groups at the top end of the top plate 5, and the four groups of sliding grooves 401 are distributed annularly;
specifically, as shown in fig. 1 and 5, when the structure is used, four sets of adjusting grooves 402 distributed annularly are processed on the side edge of the top plate 5 and are connected with the sliding groove 401, push rods 403 are installed in the adjusting grooves 402 and are matched through threads, when the structure is used, an operator places a steel strip on the base 1 to be processed, the operator can rotate the push rods 403 on the side edge of the top plate 5 and push the limiting plates 404 through the matching of the threads to be attached to the outer side edge of the steel strip, and the steel strip can be prevented from moving during processing through the matching of the four sets of limiting plates 404;
the top end of the top plate 5 is provided with an adjusting structure 6, the adjusting structure 6 comprises a positioning hole 601, fixed rods 602 and adjusting rings 603, the positioning hole 601 is arranged at the top end of the top plate 5, the fixed rods 602 are arranged inside the positioning hole 601, the surface of the fixed rods 602 is provided with the adjusting rings 603, the positioning holes 601 are provided with four groups at the top end of the top plate 5, the four groups of positioning holes 601 are symmetrically distributed, the surface of the fixed rods 602 is provided with external threads, the inside of the adjusting rings 603 is provided with internal threads, and the fixed rods 602 are connected with the adjusting rings 603 through threads;
specifically, as shown in fig. 1 and 6, when the structure is used, four sets of symmetrical positioning holes 601 are formed in the surface of the top plate 5, the fixing rod 602 is inserted into the positioning holes and the bottom end of the fixing rod is fixed to the base 1, external threads are formed in the surface of the fixing rod 602, the adjusting rings 603 are mounted on the surface of the fixing rod 602 above the top plate 5 in a threaded fit manner, and when the structure is used, an operator can adjust the height of the top plate 5 below by rotating the four sets of adjusting rings 603, so that the bottom end of the top plate 5 is attached to a steel strip, or can finely adjust the height by rotating one set of adjusting rings 603 alone.
The working principle is as follows: when the cold-rolled steel strip adjusting device is used, firstly, an operator winds a cold-rolled steel strip to be processed outside the inner ring 2, at the moment, in order to prevent the cold-rolled steel strip from being bonded at the edge, the operator can rotate four groups of adjusting rings 603 on the top of the adjusting base 1, and the ground of the top plate 5 is contacted with the cold-rolled steel strip when the top plate 5 moves downwards through the thread matching between the adjusting rings 603 and the fixed rod 602;
secondly, when adjusting, the guide rod 303 at the bottom end of the top plate 5 moves synchronously in the bottom tube 301, so that the whole device can be guided in an auxiliary way, the stability is increased, and meanwhile, the spring 302 in the bottom tube 301 can provide the self elasticity, so that when adjusting the top plate 5, the device has certain elasticity and keeps self at a certain height;
finally, before the cold-rolled steel strip is ready to be processed, an operator can rotate the four groups of push rods 403 around the top plate 5 to push the limiting plate 404 to move, so that the limiting plate is abutted against the outer side of the cold-rolled steel strip, the cold-rolled steel strip can be prevented from moving during processing, the processing quality is further influenced, and the whole using process of the anti-sticking device is finally completed.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides an anti-adhesion device for cold rolled steel strip annealing furnace production, includes base (1), inner ring (2) and roof (5), its characterized in that: an inner ring (2) is fixed at the top end of the base (1), a guide structure (3) is arranged at the center position of the top end of the base (1), and a top plate (5) is arranged at the top end of the guide structure (3);
the limiting structure (4) is arranged on each of two sides and two ends of the top plate (5), each limiting structure (4) comprises a sliding groove (401), an adjusting groove (402), a push rod (403) and a limiting plate (404), and the sliding grooves (401) are arranged at the top end of the top plate (5);
the top end of the top plate (5) is provided with an adjusting structure (6).
2. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 1, is characterized in that: guide structure (3) include bottom tube (301), spring (302) and guide bar (303), the central point department of putting on bottom tube (301) are fixed in base (1) top, the bottom mounting of bottom tube (301) inside has spring (302), the top of spring (302) is provided with guide bar (303).
3. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 2, is characterized in that: the inner diameter of the bottom tube (301) is larger than the outer diameter of the guide rod (303), and the bottom tube (301) and the guide rod (303) form a telescopic structure.
4. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 1, is characterized in that: one side of spout (401) is provided with adjustment tank (402), the inside of adjustment tank (402) is provided with push rod (403), one side movable mounting of push rod (403) has limiting plate (404).
5. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 1, is characterized in that: the cross section of the sliding chute (401) is larger than that of the limiting plate (404), and the sliding chute (401) and the limiting plate (404) form a slidable structure.
6. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 1, is characterized in that: four groups of sliding grooves (401) are arranged at the top end of the top plate (5), and the four groups of sliding grooves (401) are distributed annularly.
7. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to the claim 1, is characterized in that: the adjusting structure (6) comprises a positioning hole (601), a fixing rod (602) and an adjusting ring (603), the positioning hole (601) is formed in the top end of the top plate (5), the fixing rod (602) is arranged inside the positioning hole (601), and the adjusting ring (603) is arranged on the surface of the fixing rod (602).
8. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to claim 7, characterized in that: four groups of positioning holes (601) are arranged at the top end of the top plate (5), and the four groups of positioning holes (601) are symmetrically distributed.
9. The anti-bonding device for the production of the cold-rolled steel strip annealing furnace according to claim 7, characterized in that: the surface of the fixed rod (602) is provided with external threads, the inner part of the adjusting ring (603) is provided with internal threads, and the fixed rod (602) is connected with the adjusting ring (603) through threads.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986137.9A CN113667817B (en) | 2021-08-25 | 2021-08-25 | Anti-bonding device for production of cold-rolled steel strip annealing furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110986137.9A CN113667817B (en) | 2021-08-25 | 2021-08-25 | Anti-bonding device for production of cold-rolled steel strip annealing furnace |
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| CN113667817A true CN113667817A (en) | 2021-11-19 |
| CN113667817B CN113667817B (en) | 2023-01-24 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207958457U (en) * | 2018-02-01 | 2018-10-12 | 唐山建龙简舟钢铁有限公司 | A kind of cold-rolled strip prevents cohesive device in bell type annealing furnace production |
| CN109880995A (en) * | 2019-03-01 | 2019-06-14 | 广东宝盛兴实业有限公司 | A kind of cold-rolled strip prevents the device of bonding in bell type annealing furnace production |
| CN209020956U (en) * | 2018-07-31 | 2019-06-25 | 河北工业职业技术学院 | Cold-rolled strip cleaning equipment |
| CN211332380U (en) * | 2019-12-30 | 2020-08-25 | 浙江博凡实业有限公司 | Steel band guide block of adjustable width |
| CN211332868U (en) * | 2019-11-29 | 2020-08-25 | 永州市迈锐客科技有限公司 | Hardware component production and processing fixing device |
| CN213288134U (en) * | 2020-08-04 | 2021-05-28 | 山东宏旺实业有限公司 | Coiling machine pressing device of cold-rolled strip steel rolling mill |
| CN213317292U (en) * | 2020-09-28 | 2021-06-01 | 湖北恒畅天元工贸有限公司 | Assembled steel is guider for processing |
| CN113134516A (en) * | 2021-05-28 | 2021-07-20 | 成渝钒钛科技有限公司 | Gap bridge device for high-efficiency medium rolling mill steel belt |
-
2021
- 2021-08-25 CN CN202110986137.9A patent/CN113667817B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207958457U (en) * | 2018-02-01 | 2018-10-12 | 唐山建龙简舟钢铁有限公司 | A kind of cold-rolled strip prevents cohesive device in bell type annealing furnace production |
| CN209020956U (en) * | 2018-07-31 | 2019-06-25 | 河北工业职业技术学院 | Cold-rolled strip cleaning equipment |
| CN109880995A (en) * | 2019-03-01 | 2019-06-14 | 广东宝盛兴实业有限公司 | A kind of cold-rolled strip prevents the device of bonding in bell type annealing furnace production |
| CN211332868U (en) * | 2019-11-29 | 2020-08-25 | 永州市迈锐客科技有限公司 | Hardware component production and processing fixing device |
| CN211332380U (en) * | 2019-12-30 | 2020-08-25 | 浙江博凡实业有限公司 | Steel band guide block of adjustable width |
| CN213288134U (en) * | 2020-08-04 | 2021-05-28 | 山东宏旺实业有限公司 | Coiling machine pressing device of cold-rolled strip steel rolling mill |
| CN213317292U (en) * | 2020-09-28 | 2021-06-01 | 湖北恒畅天元工贸有限公司 | Assembled steel is guider for processing |
| CN113134516A (en) * | 2021-05-28 | 2021-07-20 | 成渝钒钛科技有限公司 | Gap bridge device for high-efficiency medium rolling mill steel belt |
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| Publication number | Publication date |
|---|---|
| CN113667817B (en) | 2023-01-24 |
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Denomination of invention: An anti bonding device for the production of cold rolled steel strip annealing furnace Effective date of registration: 20231106 Granted publication date: 20230124 Pledgee: China Co. truction Bank Corp Jieyang branch Pledgor: GUANGDONG BAOSHENGXING INDUSTRIAL Co.,Ltd. Registration number: Y2023980064257 |