CN210497026U - Non-woven fabric processing device - Google Patents
Non-woven fabric processing device Download PDFInfo
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- CN210497026U CN210497026U CN201920847552.4U CN201920847552U CN210497026U CN 210497026 U CN210497026 U CN 210497026U CN 201920847552 U CN201920847552 U CN 201920847552U CN 210497026 U CN210497026 U CN 210497026U
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Abstract
The utility model provides a non-woven fabric processing device, which solves the technical problem of how to prepare a high-elasticity non-woven fabric without adding an elastic glue solution raw material; the structure includes: a gluing mechanism, a setting mechanism and a wind pressure baking mechanism; the rubber coating mechanism includes: glue spreading rollers and glue pressing rollers; the glue spreading roller is provided with a first driving device; a glue tank is arranged below the glue roller, and the minimum distance between the wall of the glue roller and the bottom of the glue tank is smaller than the depth of the glue tank; the shaping mechanism comprises: a driving roller and a driven roller with parallel roller shafts; the driving roller is parallel to the glue coating roller; the driving roller is provided with a second driving device; relative to a plane determined by the axes of the glue coating roller and the driving roller, air outlets of the air pressure baking mechanism are respectively positioned on the upper end surface and the lower end surface of the plane; the wind pressure baking mechanism is used for outputting hot wind with constant temperature and constant pressure through the air outlet; the speed of the shaping mechanism for drawing the non-woven fabric is higher than that of the gluing mechanism. The utility model discloses can reduce the manufacturing cost of high elasticity non-woven fabrics.
Description
Technical Field
The utility model belongs to the technical field of the spinning machine technique and specifically relates to a non-woven fabrics processingequipment is related to.
Background
The exact name for nonwoven fabric should be nonwoven, or nonwoven. Because it is a fabric formed without spinning a woven fabric, the woven staple fibers or filaments are oriented or randomly aligned to form a web structure, and then mechanically, thermally, or chemically consolidated. A novel fabric product having a soft, air-permeable and planar structure has the advantages of no generation of lint, toughness, durability, silky softness, and a cotton-like feeling, and a non-woven fabric bag which is easy to form and inexpensive as compared with cotton. The non-woven fabric breaks through the traditional spinning principle and has the characteristics of short process flow, high production speed, high yield, low cost, wide application, multiple raw material sources and the like. Although nonwoven fabrics have a number of advantages, they also have some disadvantages which are difficult to overcome: strength and durability are poor compared with textile cloth; cannot be cleaned like other cloth; the fibers are aligned in a certain direction and therefore easily split from a right angle direction, and the like. Recent improvements in production methods have therefore largely been placed on improvements to prevent splitting. The spun-bonded PP non-woven fabric has the technical advantages of air permeability, flexibility, light weight, easy decomposition, no toxicity or stimulation, softness, skin adhesion, rich color, low price, reproducibility and the like, and is popular with consumers. The non-woven fabric manufactured according to the existing preparation process has the defects of extensibility and elasticity to a certain extent, and the technical purpose is achieved by further adding an elastic raw material into the existing glue solution in order to achieve the technical effect of high elasticity of the non-woven fabric.
Therefore, it is necessary to provide a nonwoven fabric processing apparatus for solving the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-woven fabrics processingequipment can implement fluffy non-woven fabrics processingequipment who dries under the tensile state of drawing through providing a section to solve and need not to add under the prerequisite of elasticity raw materials in non-woven fabrics preparation glue solution, how to prepare out the technical problem of the non-woven fabrics of high elasticity.
The utility model provides a non-woven fabrics processingequipment, include: a gluing mechanism, a setting mechanism and a wind pressure baking mechanism; the gluing mechanism comprises: the glue spreader and the rubber-pressing roller are arranged in parallel on the roller shaft, and the distance between the walls of the glue spreader and the rubber-pressing roller is matched with the thickness of the non-woven fabric; the glue spreader is provided with a first driving device; a glue tank is arranged below the glue roller, and the minimum distance between the roller wall of the glue roller and the bottom of the glue tank is smaller than the depth of the glue tank; the shaping mechanism comprises: a driving roller and a driven roller with parallel roller shafts; the distance between the roll walls of the driving roll and the driven roll is matched with the thickness of the non-woven fabric; the roll shaft of the driving roll is parallel to the roll shaft of the glue spreader; the driving roller is provided with a second driving device; relative to a plane determined by the axes of the glue spreader and the roll shaft of the driving roll, the air outlets of the wind pressure baking mechanism are respectively positioned on the upper end surface and the lower end surface of the plane; the wind pressure baking mechanism is used for outputting hot wind with constant temperature and constant pressure through the air outlet; the speed of the shaping mechanism for drawing the non-woven fabric is higher than the speed of the gluing mechanism for drawing the non-woven fabric.
Further, still include: a stock roll and/or a take-up roll; the material receiving roller is provided with a third driving device; the raw material roller is arranged at the upstream end of the glue coating mechanism and used for supplying non-woven fabrics to the glue coating mechanism; the material receiving roller is arranged at the downstream end of the shaping mechanism and used for collecting the non-woven fabric finished product output from the shaping mechanism; the speed of the non-woven fabric drawn by the material receiving roller is higher than that of the shaping mechanism.
Furthermore, a traction mechanism is arranged between the gluing mechanism and the shaping mechanism; the traction mechanism includes: a driving traction roller and a driven traction roller; the distance between the roll walls of the driving traction roll and the driven traction roll is matched with the thickness of the non-woven fabric; the driving traction roller is provided with a fourth driving device; the speed of the driving traction roller for drawing the non-woven fabric is between the traction speed of the glue coating mechanism and the shaping mechanism for drawing the non-woven fabric.
Further, the device also comprises a shell; the gluing mechanism, the traction mechanism, the shaping mechanism and the wind pressure baking mechanism are sealed in the shell.
Furthermore, a first pair of baking air outlets are formed in the wind pressure baking mechanism between the gluing mechanism and the traction mechanism; the wind pressure baking mechanism is provided with a second pair of baking air outlets between the traction mechanism and the shaping mechanism; the first pair of baking air outlets and the second pair of baking air outlets are respectively provided with an adjusting and controlling mechanism for air outlet temperature and air pressure.
Further, the air outlet temperature of the first pair of baking air outlets is adjusted within the range of 100-180 ℃.
Further, the air outlet temperature of the second pair of baking air outlets is adjusted within the range of 80-160 ℃.
Further, the glue spreader is a nano glue spreader roller; and the nano rubber kneading roller is provided with an antibacterial coating.
Further, the wind pressure baking mechanism comprises: the air conditioner comprises an air duct and a heating device arranged in the air duct; the heating medium of the heating device is heat conduction oil sealed in the heat exchanger; a heating rod is arranged in the heat conduction oil; and heat radiating fins are uniformly arranged on the outer wall of the heat exchanger.
Further, a first roller spacing adjusting mechanism is arranged between the glue coating roller and the rubber pressing roller; and a second roller distance adjusting mechanism is arranged between the driving roller and the driven roller.
The utility model provides a non-woven fabrics processingequipment and control method compares with prior art and has following progress:
1. the operation requirement of implementing constant-temperature and constant-pressure drying in a drawing mode after the non-woven fabric is coated with glue can be met; the glue spreading mechanism is used for introducing the non-woven fabric raw material into a glue spreading roller and coating glue solution with uniform thickness on the lower surface of the non-woven fabric; the drawing speed of the driving roller in the shaping mechanism is greater than that of the glue coating roller, so that the technical effect of stretching the non-woven fabric between the shaping mechanism and the glue coating mechanism can be achieved; after the glue solution of the stretched non-woven fabric is loosened and dried by hot air with constant temperature and constant pressure, the non-woven fabric can obtain higher extension elasticity.
2. The technical effects of non-woven fabric products with different tensile properties can be obtained by adjusting the traction rotating speed of the glue coating roller and the driving roller and the air outlet temperature and air pressure of the air pressure baking mechanism.
3. By adjusting the distance between the wall of the glue coating roller and the wall of the rubber pressing roller; and the distance between the driving roller and the driven roller, and the technical effect of adjusting the traction force of the non-woven fabric can be obtained.
Further, the raw material roller can provide the required material of continuous operation for non-woven fabrics processingequipment on the one hand with the setting of receiving the material roller, and on the other hand, through adjusting the pulling speed who receives the material roller, can also further obtain the technological effect of the non-woven fabrics of the different elasticity ductility performances of design.
Furthermore, the technical effect of graded stretching of the non-woven fabric can be achieved by the arrangement of the traction mechanism, so that graded fluffing baking of the non-woven fabric is further facilitated, and the non-woven fabric finished product with better elasticity is obtained.
Furthermore, the gluing mechanism, the traction mechanism, the shaping mechanism and the wind pressure baking mechanism are sealed in the shell, so that dustless operation can be conveniently implemented, and meanwhile, the baking wind pressure with different intensities can be implemented in a closed environment.
Furthermore, two pairs of baking air outlets are adopted to implement graded baking with the traction mechanism as a boundary, so that the processing purposes of one-time fluffing and fluffing shaping and then secondary fluffing are conveniently achieved, the elastic performance of the produced non-woven fabric finished product is more controllable compared with that of the non-woven fabric finished product before improvement, the balance of the high elastic performance of the non-woven fabric finished product produced in the same batch is more stable and uniform, and the ex-factory qualification rate of the product is further improved.
Furthermore, the nanometer glue spreader provided with the antibacterial coating is convenient to obtain a better glue spreading effect in use, the glue solution is pure, and the coated non-woven fabric is not easy to mildew or deteriorate in a humid environment.
Further, the setting of first roller interval adjustment mechanism and second roller interval adjustment mechanism can make things convenient for the processing demand that non-woven fabrics processingequipment satisfied the non-woven fabrics product of processing different thickness, simultaneously, can also further obtain the technological effect of fine adjustment non-woven fabrics traction force with the mode adjusting roller interval of fine setting above-mentioned interval.
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 embodiments or the technical solutions in the prior art will be briefly described 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 structural view of a nonwoven fabric processing apparatus in embodiment 1 of the present invention;
FIG. 2 is a schematic view of a modified structure of the nonwoven fabric processing apparatus of FIG. 1;
fig. 3 is a schematic structural view of a nonwoven fabric processing apparatus in embodiment 2 of the present invention;
FIG. 4 is a schematic view of a modified structure of the nonwoven fabric processing apparatus of FIG. 3;
FIG. 5 is a schematic view of a modified structure of the nonwoven fabric processing apparatus of FIG. 4;
fig. 6 is a schematic structural view of a medium-pressure air-pressure baking mechanism according to embodiment 3 of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, the present invention provides a non-woven fabric processing apparatus, including: the gluing mechanism 100, the shaping mechanism 200 and the air pressure baking mechanism 300; the glue applying mechanism 100 includes: the glue spreader 110 and the glue roller 120 are arranged in parallel on the roller shaft, and the distance between the roller walls of the glue spreader 110 and the glue roller 120 is matched with the thickness of the non-woven fabric; the glue roll 110 is provided with a first drive (based on prior art drive, not further illustrated in relevant detail); a glue tank 111 is arranged below the glue spreader 110, and the minimum distance from the roller wall of the glue spreader 110 to the bottom of the glue tank 111 is smaller than the depth of the glue tank 111; the setting mechanism 200 includes: a drive roller 210 and a driven roller 220 whose roller shafts are arranged in parallel; the distance between the roller walls of the driving roller 210 and the driven roller 220 is matched with the thickness of the non-woven fabric; the roll shaft of the driving roll 210 is parallel to the roll shaft of the glue spreader 110; the drive roll 210 is provided with a second drive (based on prior art drive, relevant details not further illustrated); relative to a plane determined by the axes of the glue spreader and the driving roller, the air outlets 310 of the wind pressure baking mechanism 300 are respectively positioned on the upper end surface and the lower end surface of the plane; the wind pressure baking mechanism 300 is used for outputting hot wind with constant temperature and constant pressure through the air outlet 310; the speed of the shaping mechanism 200 for drawing the non-woven fabric is higher than the speed of the glue coating mechanism 100 for drawing the non-woven fabric.
When the automatic feeding device works, non-glued non-woven fabrics W are introduced into the gluing mechanism, are introduced into the shaping mechanism after passing through the wind pressure baking mechanism, and are automatically fed by using traction force generated during operation of the gluing mechanism and the shaping mechanism. The non-woven fabric with the length approximately equal to the operation length of the non-woven fabric processing device at the front section in the starting process of the equipment cannot be completely processed, so that the non-woven fabric needs to be abandoned after the finished product is collected at the later stage. Before the automatic operation is started, the speed of the shaping mechanism for drawing the non-woven fabric needs to be adjusted to be higher than the speed of the gluing mechanism for drawing the non-woven fabric.
Preferably, as shown in fig. 2, in one preferable technical solution of this embodiment, the method further includes: a stock roll 400 and/or a take-up roll 500; the receiving roller 500 is provided with a third driving device (based on the prior art driving, relevant details are not further shown); the raw material roller 400 is provided at the upstream end of the glue applying mechanism 100, and is used for supplying the non-woven fabric to the glue applying mechanism 100; the material receiving roller 500 is arranged at the downstream end of the shaping mechanism 200 and is used for collecting the finished non-woven fabric products output from the shaping mechanism; the speed of the non-woven fabric drawn by the material receiving roller is higher than that of the shaping mechanism.
Preferably, in one preferable technical scheme of the embodiment, the glue spreader is a nano glue spreader; and the nano rubber kneading roller is provided with an antibacterial coating.
Preferably, in one preferred technical solution of the present embodiment, a first roller interval adjusting mechanism is disposed between the glue spreader and the glue roller; and a second roller distance adjusting mechanism is arranged between the driving roller and the driven roller.
The utility model provides a non-woven fabrics processingequipment compares with prior art and has following progress:
1. the operation requirement of implementing constant-temperature and constant-pressure drying in a drawing mode after the non-woven fabric is coated with glue can be met; the glue spreading mechanism is used for introducing the non-woven fabric raw material into a glue spreading roller and coating glue solution with uniform thickness on the lower surface of the non-woven fabric; the drawing speed of the driving roller in the shaping mechanism is greater than that of the glue coating roller, so that the technical effect of stretching the non-woven fabric between the shaping mechanism and the glue coating mechanism can be achieved; after the glue solution of the stretched non-woven fabric is loosened and dried by hot air with constant temperature and constant pressure, the non-woven fabric can obtain higher extension elasticity.
2. The technical effects of non-woven fabric products with different tensile properties can be obtained by adjusting the traction rotating speed of the glue coating roller and the driving roller and the air outlet temperature and air pressure of the air pressure baking mechanism.
3. By adjusting the distance between the wall of the glue coating roller and the wall of the rubber pressing roller; and the distance between the driving roller and the driven roller, and the technical effect of adjusting the traction force of the non-woven fabric can be obtained.
Example 2:
as shown in fig. 3, in this embodiment, on the basis of the above embodiment, a traction mechanism 600 is further disposed between the glue coating mechanism and the shaping mechanism; the drawing mechanism 600 includes: a driving pull roll 610 and a driven pull roll 620; the distance between the roll walls of the driving traction roll and the driven traction roll is matched with the thickness of the non-woven fabric; the driving traction roller is provided with a fourth driving device; the speed of the driving traction roller for drawing the non-woven fabric is between the traction speed of the glue coating mechanism and the shaping mechanism for drawing the non-woven fabric.
Preferably, referring to fig. 4, in one preferred embodiment of the present application, the housing further includes a housing G; the gluing mechanism, the traction mechanism, the shaping mechanism and the wind pressure baking mechanism are sealed in the shell.
Preferably, as shown in fig. 5, in one preferred embodiment of the present invention, the casing is divided into two groups of independent air ducts for independent air supply by taking the traction mechanism as a boundary, and the wind pressure baking mechanism 300 is divided into two groups of independent air ducts for independent air supply. Specifically, the wind pressure baking mechanism 300 is provided with a first pair of baking air outlets 301 between the gluing mechanism and the traction mechanism; the wind pressure baking mechanism 300 is provided with a second pair of baking air outlets 302 between the traction mechanism and the shaping mechanism; the first pair of baking air outlets and the second pair of baking air outlets are respectively provided with an adjusting and controlling mechanism for air outlet temperature and air pressure. It should be noted that the hardware setting manner and the structural design of the housing structure and the air outlet, and the implementation means of the adjusting and controlling mechanism for the air outlet temperature and the air pressure are all based on the prior art, and therefore, the details of the related structure in this embodiment are not further illustrated and described.
Preferably, in one of the preferable technical solutions of the present application, the air outlet temperature of the first pair of baking air outlets is adjusted within a range of 100 to 180 ℃.
Preferably, in one of the preferable technical solutions of the present application, the air outlet temperature of the second pair of the baking air outlets is adjusted within a range of 80 to 160 ℃.
Example 3:
as shown in fig. 6, in this embodiment, the wind pressure baking mechanism 300 includes: an air duct 303 and a heat generating device 304 disposed in the air duct 303; the heating medium of the heating device 304 is heat conducting oil sealed in the heat exchanger 305; a heating rod 306 is arranged in the heat conduction oil; the outer wall of the heat exchanger 305 is uniformly provided with radiating fins 307.
The non-woven fabrics processingequipment after the improvement can be under the prerequisite of using not adding elastic raw materials, and the production produces the technical advantage that has the non-woven fabrics of high-elastic extensibility.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A nonwoven fabric processing apparatus, comprising: a gluing mechanism, a setting mechanism and a wind pressure baking mechanism; the gluing mechanism comprises: the glue spreader and the rubber-pressing roller are arranged in parallel on the roller shaft, and the distance between the walls of the glue spreader and the rubber-pressing roller is matched with the thickness of the non-woven fabric; the glue spreader is provided with a first driving device; a glue tank is arranged below the glue roller, and the minimum distance between the roller wall of the glue roller and the bottom of the glue tank is smaller than the depth of the glue tank; the shaping mechanism comprises: a driving roller and a driven roller with parallel roller shafts; the distance between the roll walls of the driving roll and the driven roll is matched with the thickness of the non-woven fabric; the roll shaft of the driving roll is parallel to the roll shaft of the glue spreader; the driving roller is provided with a second driving device; relative to a plane determined by the axes of the glue spreader and the roll shaft of the driving roll, the air outlets of the wind pressure baking mechanism are respectively positioned on the upper end surface and the lower end surface of the plane; the wind pressure baking mechanism is used for outputting hot wind with constant temperature and constant pressure through the air outlet; the speed of the shaping mechanism for drawing the non-woven fabric is higher than the speed of the gluing mechanism for drawing the non-woven fabric.
2. The nonwoven fabric processing apparatus of claim 1, further comprising: a stock roll and/or a take-up roll; the material receiving roller is provided with a third driving device; the raw material roller is arranged at the upstream end of the glue coating mechanism and used for supplying non-woven fabrics to the glue coating mechanism; the material receiving roller is arranged at the downstream end of the shaping mechanism and used for collecting the non-woven fabric finished product output from the shaping mechanism; the speed of the non-woven fabric drawn by the material receiving roller is higher than that of the shaping mechanism.
3. The non-woven fabric processing device according to claim 1, wherein a traction mechanism is further arranged between the gluing mechanism and the shaping mechanism; the traction mechanism includes: a driving traction roller and a driven traction roller; the distance between the roll walls of the driving traction roll and the driven traction roll is matched with the thickness of the non-woven fabric; the driving traction roller is provided with a fourth driving device; the speed of the driving traction roller for drawing the non-woven fabric is between the traction speed of the glue coating mechanism and the shaping mechanism for drawing the non-woven fabric.
4. The nonwoven fabric processing apparatus of claim 3, further comprising a housing; the gluing mechanism, the traction mechanism, the shaping mechanism and the wind pressure baking mechanism are sealed in the shell.
5. The non-woven fabric processing device according to claim 4, wherein the wind pressure baking mechanism is provided with a first pair of baking air outlets between the gluing mechanism and the traction mechanism; the wind pressure baking mechanism is provided with a second pair of baking air outlets between the traction mechanism and the shaping mechanism; the first pair of baking air outlets and the second pair of baking air outlets are respectively provided with an adjusting and controlling mechanism for air outlet temperature and air pressure.
6. The nonwoven fabric processing apparatus of claim 5, wherein the air outlet temperature of the first pair of baking outlets is adjusted within a range of 100 to 180 degrees Celsius.
7. The nonwoven fabric processing apparatus of claim 6, wherein the air outlet temperature of the second pair of baking outlets is adjusted within a range of 80 to 160 ℃.
8. The nonwoven fabric processing apparatus of claim 1, wherein the glue applicator is a nano-size glue applicator; and the nano rubber kneading roller is provided with an antibacterial coating.
9. The nonwoven fabric processing apparatus according to claim 1, wherein the wind pressure baking mechanism comprises: the air conditioner comprises an air duct and a heating device arranged in the air duct; the heating medium of the heating device is heat conduction oil sealed in the heat exchanger; a heating rod is arranged in the heat conduction oil; and heat radiating fins are uniformly arranged on the outer wall of the heat exchanger.
10. The nonwoven fabric processing apparatus of claim 9, wherein a first roller spacing adjustment mechanism is disposed between the glue applicator roller and the calender roller; and a second roller distance adjusting mechanism is arranged between the driving roller and the driven roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920847552.4U CN210497026U (en) | 2019-06-06 | 2019-06-06 | Non-woven fabric processing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920847552.4U CN210497026U (en) | 2019-06-06 | 2019-06-06 | Non-woven fabric processing device |
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| CN210497026U true CN210497026U (en) | 2020-05-12 |
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| CN201920847552.4U Active CN210497026U (en) | 2019-06-06 | 2019-06-06 | Non-woven fabric processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142179A (en) * | 2019-06-06 | 2019-08-20 | 浙江龙呈计生用品有限公司 | A kind of non-woven fabrics processing unit (plant) |
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2019
- 2019-06-06 CN CN201920847552.4U patent/CN210497026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142179A (en) * | 2019-06-06 | 2019-08-20 | 浙江龙呈计生用品有限公司 | A kind of non-woven fabrics processing unit (plant) |
| CN110142179B (en) * | 2019-06-06 | 2023-06-20 | 浙江广鸿新材料有限公司 | Non-woven fabrics processingequipment |
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Address after: 322000 No. 2 Ganchuan Road, Yiting Town Industrial Zone, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Guanghong New Material Co.,Ltd. Address before: 322000 No. 2 Ganchuan Road, Yiting Town Industrial Zone, Yiwu City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG LONGCHENG PLANNING ARTICLE Co.,Ltd. |
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