CN209933202U - Composite absorption core with hydrophilic gradient difference and absorption article thereof - Google Patents
Composite absorption core with hydrophilic gradient difference and absorption article thereof Download PDFInfo
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- CN209933202U CN209933202U CN201920045743.9U CN201920045743U CN209933202U CN 209933202 U CN209933202 U CN 209933202U CN 201920045743 U CN201920045743 U CN 201920045743U CN 209933202 U CN209933202 U CN 209933202U
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims description 61
- 230000002745 absorbent Effects 0.000 claims abstract description 70
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- 239000011347 resin Substances 0.000 claims abstract description 58
- 229920005989 resin Polymers 0.000 claims abstract description 58
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 32
- 239000012943 hotmelt Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000011148 porous material Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000006261 foam material Substances 0.000 claims abstract description 6
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 239000011162 core material Substances 0.000 claims description 84
- 239000004745 nonwoven fabric Substances 0.000 claims description 46
- 239000000835 fiber Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
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- 238000013329 compounding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 12
- 239000012528 membrane Substances 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 6
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- 238000001764 infiltration Methods 0.000 abstract description 5
- 238000001223 reverse osmosis Methods 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract 1
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- 239000004698 Polyethylene Substances 0.000 description 10
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- 235000007164 Oryza sativa Nutrition 0.000 description 4
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- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
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- 229940127554 medical product Drugs 0.000 description 1
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- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model relates to a compound absorption core with hydrophilic gradient is poor, including first overburden, first overburden is connected as an organic wholely by the porous material layer that is located the upper strata and the hydrophilic material layer that is located the lower floor, the hydrophilicity on porous material layer is less than the hydrophilic material layer makes first overburden is poor along the hydrophilic gradient that forms on its thickness direction, the porous material layer is selected from the PE membrane that punches, the spun-bond method non-woven or trompil type foam material of punching, the hydrophilic material layer is selected from hot-blast method non-woven, toilet paper, dustless paper or fluff pulp, porous material layer, hydrophilic material layer are through hot melt pressure sensitive adhesive bonding, ultrasonic bonding, infrared complex or hot pressure bonding point bonding connection and are formed. The utility model discloses have better dry and comfortable nature and liquid infiltration nature, prevent that reverse osmosis is excellent, reduce the smooth infiltration when lying on one's side or lying, also can avoid super absorbent resin to leak simultaneously.
Description
Technical Field
The utility model relates to an absorb articles for use technical field, especially relate to a porous composite top layer absorbs core and absorption articles for use with hydrophilic gradient is poor.
Background
Infants and other persons who are unable to take care of themselves often wear absorbent articles such as diapers. The function of a disposable absorbent article is to contain the discharged materials and to isolate these materials from the body of the wearer and from the clothing and bedding. Disposable absorbent articles, such as diapers, typically consist of a liquid pervious topsheet, a liquid impervious backsheet, and an absorbent core disposed between the liquid pervious topsheet and the liquid impervious backsheet to absorb and contain liquid.
The traditional first generation absorption core is an absorption core structure which is formed by uniformly mixing fluff pulp and super absorbent resin and then coating the fluff pulp and the super absorbent resin into a whole by spraying glue on a coating material. The absorbent core has the advantages that the super absorbent resin is uniformly distributed in the fluff pulp fibers, and the wrapping layers are only formed by spraying glue on the upper layer and the lower layer, so that the free space for the super absorbent resin to expand is large, the utilization rate of the super absorbent resin in the absorbent core is high, and the water absorption capacity of the super absorbent resin is high. But simultaneously in order to reduce the cotton breaking problem that sticks together of traditional structure absorption core, generally set up hot light pressure or hot net and press the compaction, make the compliance of traditional absorption core material reduce.
The second generation absorption core is formed by directly gluing and coating the composite core material and the hydrophilic wrapping layer. The composite core material comprises a first covering layer, a hot melt adhesive layer, a high water absorption resin layer, a high fluffy non-woven fabric layer, a high water absorption resin layer, a hot melt adhesive layer and a second covering layer, wherein the first covering layer and the second covering layer are usually dry dust-free paper or hot air non-woven fabric with high gram weight. The absorbent core material with the structure has the advantages that the super absorbent resin is fixed in the high-fluffy non-woven fabric layer or between the high-fluffy non-woven fabric layer and the covering layer, and the problem of lump and broken cotton after the super absorbent resin absorbs urine can be solved.
In the first generation and the second generation of absorbent core materials, the designed surface layer materials are nonwoven fabrics, toilet paper, dust-free paper and the like with good hydrophilicity, and the surface layer of the absorbent core is poor in dryness because the speed gradient of hydrophilicity is not designed.
In order to solve the problems, the patent provides a porous composite surface layer absorption core with a poor hydrophilic gradient and an absorption article thereof. Absorbent articles such as diapers, paper diapers, sanitary napkins, pantiliners, pull-ups and the like. The surface layer of the absorption core of the absorption article is a porous composite material with a poor hydrophilic gradient. The porous composite material is formed by compounding a perforated PE film with poor hydrophilicity, a perforated spunbonded nonwoven fabric, a perforated or semi-perforated foam material, a hot air nonwoven fabric with good hydrophilicity, toilet paper, dust-free paper or fluff pulp and the like, so that gradient difference of liquid absorption speed is given to a porous composite surface layer. The composite core material has the characteristic of poor hydrophilicity of a skin contact surface, so that the composite core material has better dryness; the porous characteristic enables the composite core material to have better liquid infiltration performance, and simultaneously, the porous material can be designed into tapered holes, so that the composite core has better anti-reverse osmosis effect; the materials with good hydrophilicity, such as the hot air method non-woven fabric, the toilet paper, the dust-free paper, the fluff pulp and the like can quickly conduct and absorb liquid downwards, reduce the sliding and seepage when lying on the side or on the flat, and simultaneously avoid the leakage of the super absorbent resin.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an absorb articles for use to solve the relatively poor problem of the dry nature in top layer that absorbs the core or the top layer that absorbs articles for use behind the absorption articles for use absorption body fluid of prior art, provided a composite absorption core and absorption articles for use that have hydrophilic gradient difference.
To achieve the purpose, the utility model adopts the following technical proposal: a composite absorbent core having a difference in hydrophilic gradient, comprising a first cover layer integrally connected by a porous material layer located at an upper layer and a hydrophilic material layer located at a lower layer, the porous material layer being less hydrophilic than the hydrophilic material layer, so that the first cover layer forms a difference in hydrophilic gradient in a thickness direction thereof.
Preferably, the porous material layer is selected from a perforated PE film, a perforated spunbonded nonwoven fabric or an open-cell foam material, and the hole pattern is preferably in an inverted cone shape. The materials all adopt the existing materials, wherein:
1) the perforated PE film is a porous material formed by performing online negative pressure perforation or secondary perforation on polyethylene plastic rice after film formation by a casting method, and hydrophilic plastic rice is usually added into the plastic rice, but the hydrophilicity is usually poor due to the mixing of hydrophilic master batches and the plastic rice.
2) The perforated spunbonded non-woven fabric is a porous material formed by coating a hydrophilic oil agent on the surface of the non-woven fabric in a spraying or roller coating mode and perforating for the second time, and the perforated spunbonded non-woven fabric can be endowed with good dry and comfortable properties through the design of the hydrophilic oil agent.
3) The open-cell foam material is a polyurethane/EVA/PE/pearl cotton polymer foam material, and can be made into a stable open-cell porous material by a physical foaming agent or a chemical reaction foaming principle.
Preferably, the hydrophilic material layer is selected from the group consisting of a through-air nonwoven, toilet paper, dust-free paper, and fluff pulp. The materials all adopt the existing materials, wherein:
1) the hot-air method non-woven fabric with good hydrophilicity is hydrophilic hot-air method non-woven fabric which is formed by opening, cotton mixing, carding and hot-air bonding hydrophilic ES fibers, PET fibers or PP fibers.
2) The toilet paper is a tissue paper used for sanitary purposes, and the quantitative rate is generally below 30 g/square meter. Has good softness, absorbability and cleanness. Cotton pulp, wood pulp or grass pulp soaked by alkali or various disinfectant is heated at high temperature and then subjected to various fine processing, and the surface of the product is wrinkled and is mostly white.
3) The dust-free paper is also called dry-method papermaking non-woven fabric, and the first one is made of wood pulp fiber; and secondly, adopting an air-laid technology. The production process of the non-woven fabric mainly comprises two processes of net forming and reinforcement. The dry papermaking non-woven fabric is produced mainly by two methods of chemical bonding and thermal bonding. The dust-free paper has unique physical properties, is high in elasticity, soft, excellent in hand feeling and drapability, extremely high in water absorption and good in water retention performance, and is widely applied to the fields of health care products, special medical products, industrial wiping products and the like.
4) Fluff pulp is a pulp used in the production of various sanitary products (e.g., sanitary napkins, baby diapers, hospital bed pads, etc.) as a water absorbing medium.
Preferably, the porous material layer and the hydrophilic material layer are bonded and connected through hot melt pressure sensitive adhesive bonding, ultrasonic bonding, infrared compounding or hot press bonding points.
The utility model discloses a several kinds of following structures are preferred to compound absorption core:
the composite absorption core is formed by connecting a first covering layer, a high-water-absorption resin layer, a fluffy non-woven fabric layer, a high-water-absorption resin layer and a second covering layer from top to bottom.
The composite absorption core is formed by connecting a first covering layer, a high-water-absorption resin layer, a fluffy non-woven fabric layer, a high-water-absorption resin layer, a second covering layer, a high-water-absorption resin layer and a third covering layer from top to bottom.
The composite absorption core is formed by connecting a first covering layer, a high-water-absorptivity resin layer, a fluffy non-woven fabric layer, a high-water-absorptivity resin layer, a second covering layer and a mixed layer composed of fluff pulp fibers and high-water-absorptivity resin from top to bottom.
And the composite absorption core is formed by connecting a first covering layer, a high-water-absorptivity resin layer, a fluffy non-woven fabric layer, a mixed layer formed by blending fluff pulp fibers and high-water-absorptivity resin and a second covering layer from top to bottom.
And the composite absorbing core is a fluff pulp absorbing core material formed by mixing and molding fluff pulp fibers and high water-absorbing resin and coating a wrapping layer.
And the structure VI, the composite absorption core is a wood-pulp-free absorption core material consisting of high water absorption resin and a wrapping layer.
The utility model discloses still include an absorption articles for use, including liquid-permeable top layer, liquid-tight nature side leakage layer, liquid-tight nature bottom to and set up the absorption core between liquid-permeable top layer and liquid-tight nature bottom, wherein, the absorption core adopts the compound absorption core that has hydrophilic gradient difference.
Preferably, the liquid permeable top layer is further optionally provided with a hydrophilic gradient difference composite material, the hydrophilic gradient difference composite material is formed by connecting a porous material layer positioned on the upper layer and a hydrophilic material layer positioned on the lower layer into a whole, and the hydrophilicity of the porous material layer is smaller than that of the hydrophilic material layer, so that the hydrophilic gradient difference composite material forms a hydrophilic gradient difference along the thickness direction of the hydrophilic gradient difference composite material.
The utility model has the advantages that: through the design of the first covering layer (surface layer) of the composite absorbent core, the gradient difference of the absorption speed of the first covering layer to liquid is given, the skin contact surface has the characteristic of poor hydrophilicity, and the composite absorbent core and the absorbent article using the composite absorbent core have better dryness and comfort. On the other hand, the porous characteristic enables the composite absorption core to have better liquid infiltration performance, and meanwhile, the porous structure can be designed into a conical hole, so that the composite core body has better anti-reverse osmosis effect; the materials with good hydrophilicity, such as the hot air method non-woven fabric, the toilet paper, the dust-free paper, the fluff pulp and the like can quickly conduct and absorb liquid downwards, reduce the sliding and seepage when lying on the side or on the flat, and simultaneously avoid the leakage of the super absorbent resin.
Drawings
Figure 1 is a schematic of the structure of the composite absorbent core with a differential hydrophilicity gradient of example 1.
Wherein, A1: a first cover layer;
a1-1: a perforated membrane layer of relatively poor hydrophilicity;
a1-2: a hot air non-woven fabric layer with good hydrophilicity;
a1-3: hot melting the pressure sensitive adhesive layer;
a2: a first hot melt pressure sensitive adhesive layer;
a3: a first super absorbent resin layer;
a4: a high loft nonwoven layer;
a5: a second super absorbent resin layer;
a6: a second hot-melt pressure-sensitive adhesive layer;
a7: a second cover layer.
Figure 2 is a schematic of the structure of the composite absorbent core with a hydrophilic gradient differential of example 2.
Wherein, B1: a first cover layer;
b1-1: a perforated membrane layer of relatively poor hydrophilicity;
b1-2: a hot air non-woven fabric layer with good hydrophilicity;
b1-3: hot melting the pressure sensitive adhesive layer;
b2: a first hot melt pressure sensitive adhesive layer;
b3: a first super absorbent resin layer;
b4: a fluffy non-woven fabric layer;
b5: a second super absorbent resin layer;
b6: a second hot-melt pressure-sensitive adhesive layer;
b7: a second cover layer;
b8: a third super absorbent resin layer;
b9: a third hot-melt pressure-sensitive adhesive layer;
b10: and a third cover layer.
Figure 3 is a schematic of the structure of the composite absorbent core with a difference in hydrophilic gradient of example 3.
Wherein, C1: a first cover layer;
c1-1: a perforated membrane layer of relatively poor hydrophilicity;
c1-2: a hot air non-woven fabric layer with good hydrophilicity;
c1-3: hot melting the pressure sensitive adhesive layer;
c2: a first hot melt pressure sensitive adhesive layer;
c3: a first super absorbent resin layer;
c4: fluffy non-woven fabric layer
C5: a second super absorbent resin layer;
c6: a second hot-melt pressure-sensitive adhesive layer;
c7: a second cover layer;
c8: a third super absorbent resin layer;
c9: fluff pulp;
c10: a third hot-melt pressure-sensitive adhesive layer;
c11: and a third cover layer.
Figure 4 is a schematic of the structure of the composite absorbent core of example 4 having a differential hydrophilicity gradient.
Wherein, D1: a first cover layer;
d1-1: a perforated membrane layer of relatively poor hydrophilicity;
d1-2: a hot air non-woven fabric layer with good hydrophilicity;
d1-3: hot melting the pressure sensitive adhesive layer;
d2: a first hot melt pressure sensitive adhesive layer;
d3: a first super absorbent resin layer;
d4: fluffy non-woven fabric layer
D5: a second super absorbent resin layer;
d6: fluff pulp;
d7: a second hot-melt pressure-sensitive adhesive layer;
d8: a second cover layer.
Detailed Description
In a preferred embodiment, the porous composite material with the hydrophilic gradient difference is a material consisting of a perforated PE film and a hot air non-woven fabric, and has the following characteristics:
1) the relatively poor PE membrane that punches of hydrophilicity absorbs core and skin contact surface and uses the relatively poor PE membrane that punches of hydrophilicity, because the relatively poor compound core material that makes of hydrophilicity has better dry and comfortable nature, porosity characteristic makes compound core material have better liquid infiltration nature simultaneously, still can be with porous design for the bell mouth, makes compound core have better anti-reverse osmosis effect, and the liquid that the bottom reversed tide is blockked by the bell mouth and is avoided to skin reverse osmosis.
2) The perforated PE film with poor hydrophilicity and the hot air method non-woven fabric with good hydrophilicity at the bottom can quickly conduct and absorb liquid downwards, reduce the sliding and seepage when lying on the side or on the flat side and simultaneously avoid the leakage of super absorbent resin or fluff pulp.
3) The PE film with poor hydrophilicity and the hot air method non-woven fabric with good hydrophilicity are bonded by hot melt pressure sensitive adhesive.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
As shown in figure 1, the absorbent core is a composite core absorbent core which is formed by bonding a first covering layer A1, a first high-water-absorption resin layer A3, a high-fluffy non-woven fabric layer A4, a second high-water-absorption resin layer A5 and a second covering layer A7 through a first hot melt pressure sensitive adhesive layer A2 and a second hot melt pressure sensitive adhesive layer A6.
The structural characteristic of this embodiment is that the first cover layer a1 is compounded by a perforated film layer a1-1 with poor hydrophilicity and a hot air non-woven fabric layer a1-2 with good hydrophilicity through a hot melt pressure sensitive adhesive layer a 1-3.
Example 2
As shown in fig. 2, the absorbent core is a composite core absorbent core formed by bonding a first cover layer B1, a first super absorbent resin layer B3, a bulky nonwoven fabric layer B4, a second super absorbent resin layer B5, a second cover layer B7, a third super absorbent resin layer B8, a third cover layer B10, and a first hot melt pressure sensitive adhesive layer B2, a second hot melt pressure sensitive adhesive layer B6, and a third hot melt pressure sensitive adhesive layer B9.
The structural characteristic of this embodiment is that the first cover layer B1 is formed by compounding a perforated film layer B1-1 with poor hydrophilicity and a hot air non-woven fabric layer B1-2 with good hydrophilicity through a hot melt pressure sensitive adhesive layer B1-3.
Example 3
As shown in fig. 3, the absorbent core is a composite core absorbent core formed by bonding a first cover layer C1, a first super absorbent resin layer C3, a bulky nonwoven fabric layer C4, a second super absorbent resin layer C5, a second cover layer C7, a mixed layer composed of fluff pulp C9 and a third super absorbent resin layer C8, and a first hot melt pressure sensitive adhesive layer C2, a second hot melt pressure sensitive adhesive layer C6 and a third hot melt pressure sensitive adhesive layer C10.
The structural characteristic of this embodiment is that the first cover layer C1 is formed by compounding a perforated film layer C1-1 with poor hydrophilicity and a hot air non-woven fabric layer C1-2 with good hydrophilicity through a hot melt pressure sensitive adhesive layer C1-3.
Example 4
As shown in FIG. 4, the absorbent core is a composite core absorbent core which is composed of a first covering layer D1, a first super absorbent resin layer D3, a bulky nonwoven fabric layer D4, a mixed layer composed of fluff pulp D6 and a second super absorbent resin layer D5, a second covering layer D8, and a first hot melt pressure sensitive adhesive layer D2 and a second hot melt pressure sensitive adhesive layer D7.
The structural characteristic of this embodiment is that the first cover layer D1 is formed by compounding a perforated film layer D1-1 with poor hydrophilicity and a hot air non-woven fabric layer D1-2 with good hydrophilicity through a hot melt pressure sensitive adhesive layer D1-3.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the present invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (13)
1. A composite absorbent core having a differential hydrophilicity gradient comprising a first cover layer characterized by: the first covering layer is formed by connecting a porous material layer positioned on the upper layer and a hydrophilic material layer positioned on the lower layer into a whole, and the hydrophilicity of the porous material layer is smaller than that of the hydrophilic material layer, so that the first covering layer forms a hydrophilic gradient difference along the thickness direction of the first covering layer.
2. The composite absorbent core having a difference in hydrophilicity gradient according to claim 1 characterized in that: the porous material layer is selected from a perforated PE film, a perforated spun-bonded non-woven fabric or an open-cell foam material.
3. The composite absorbent core having a difference in hydrophilicity gradient according to claim 2 characterized by: the hole pattern of the porous material layer is in an inverted cone shape.
4. The composite absorbent core having a difference in hydrophilicity gradient according to claim 1 characterized in that: the hydrophilic material layer is selected from hot air non-woven fabric, toilet paper, dust-free paper or fluff pulp.
5. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the porous material layer and the hydrophilic material layer are bonded and connected through hot melt pressure sensitive adhesive bonding, ultrasonic bonding, infrared compounding or hot press bonding points.
6. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorption core is formed by connecting a first covering layer, a high-water-absorption resin layer, a fluffy non-woven fabric layer, a high-water-absorption resin layer and a second covering layer from top to bottom.
7. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorption core is formed by connecting a first covering layer, a high-water-absorption resin layer, a fluffy non-woven fabric layer, a high-water-absorption resin layer, a second covering layer, a high-water-absorption resin layer and a third covering layer from top to bottom.
8. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorption core is formed by connecting a first covering layer, a high-water-absorptivity resin layer, a fluffy non-woven fabric layer, a high-water-absorptivity resin layer, a second covering layer and a mixed layer consisting of fluff pulp fibers and high-water-absorptivity resin from top to bottom.
9. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorption core is formed by connecting a first covering layer, a high-water-absorptivity resin layer, a fluffy non-woven fabric layer, a mixed layer formed by blending fluff pulp fibers and high-water-absorptivity resin and a second covering layer from top to bottom.
10. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorbing core is a fluff pulp absorbing core material formed by mixing fluff pulp fibers and high water-absorbing resin and coating a wrapping layer.
11. The composite absorbent core having a difference in hydrophilic gradient according to any of claims 1-4, characterized in that: the composite absorption core is a wood-pulp-free absorption core material consisting of high water absorption resin and a wrapping layer.
12. The utility model provides an absorption article, includes liquid-permeable top layer, liquid-tight nature side leak protection layer, liquid-tight nature bottom to and set up the absorption core between liquid-permeable top layer and liquid-tight nature bottom, its characterized in that: the absorbent core employs the composite absorbent core having a difference in hydrophilic gradient according to any one of claims 1 to 11.
13. The utility model provides an absorption article, includes liquid-permeable top layer, liquid-tight nature side leak protection layer, liquid-tight nature bottom to and set up the absorption core between liquid-permeable top layer and liquid-tight nature bottom, its characterized in that: the liquid permeable top layer is made of a hydrophilic gradient difference composite material, the hydrophilic gradient difference composite material is formed by connecting a porous material layer positioned on the upper layer and a hydrophilic material layer positioned on the lower layer into a whole, and the hydrophilicity of the porous material layer is smaller than that of the hydrophilic material layer, so that the hydrophilic gradient difference composite material forms a hydrophilic gradient difference along the thickness direction of the hydrophilic gradient difference composite material.
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| CN201920045743.9U CN209933202U (en) | 2019-01-11 | 2019-01-11 | Composite absorption core with hydrophilic gradient difference and absorption article thereof |
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|---|---|---|---|
| CN201920045743.9U CN209933202U (en) | 2019-01-11 | 2019-01-11 | Composite absorption core with hydrophilic gradient difference and absorption article thereof |
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| CN209933202U true CN209933202U (en) | 2020-01-14 |
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Effective date of registration: 20220422 Address after: 528000 the first floor of Koda Road (workshop B Dong), A District, science and Technology Industrial Park, Nanhai District, Foshan, Guangdong, China. Patentee after: GUANGDONG MAXIER HEALTH PRODUCT Co.,Ltd. Address before: 366, zhongchuangmei building, 1300, zhongchuangmei Avenue, Xiamen, Fujian Province Patentee before: XIAMEN YUANCHUANGLI TECHNOLOGY SERVICE Co.,Ltd. |