Technology Research and Development


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French Andritz Hydroentanglement Semi-cross Line


The main raw materials are polyester, viscose and Tencel or copper ammonia fiber, bamboo charcoal fiber, etc. Finished products will be mainly used in dry wipes, face masks and other beauty products

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German Truetzschler High-speed Random Laying Production Line


High-speed random laying production line. Introducing German Truetzschler equipment to meet customers' high-end needs for fabric quality and physical property indicators, the current annual output is about 12,000 tons.

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Meltblown Production Line


One 2.4-meter-wide polypropylene single-mode meltblown production line with an annual output of about 700 tons;

One 1.6-meter-wide polypropylene single-mode meltblown production line with an annual output of about 500 tons;

Products are mainly used in masks and protective clothing.

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Patent R&D


The company has currently developed a total of 29 patents, 9 provincial-level product identifications, and 4 international authoritative certifications.

Among them, 8 appearance patents, including ZL 2020 3 0525286. 1/ZL 2020 3 0526105. 7/ZL 2020 3 0525276. 8/ZL 2020 3 0525275. 3/ZL 2019 3 0412382. 2/ZL 2022 3 0827814. 8/ZL 2022 3 0825215. 2/ZL 2023 3 0369730. 9;

7 invention patents, including ZL 2018 1 0411013. 6/ZL 2018 1 0400649. 0/ZL 2018 1 0498051. X/ZL 2018 1 0498028. 0/ZL 2018 1 0403408. 1/ZL 2018 1 0400648. 6/ZL 2018 1 0498061. 3;

14 utility model patents, including ZL 2020 2 1900517. 3/ZL 2020 2 2545705. 5/ZL 2020 2 2547211. 0/ZL 2022 2 3140394. X/ZL 2021 2 2943338. 9/ZL 2020 2 1899517. 6/ZL 2020 2 1851130. 3/ZL 2020 2 1851171. 2/ZL 2020 2 1852549. 0/ZL 2021 2 2946777. 5/ZL 2020 2 1899484. 5/ZL 2020 2 1852550. 3/ZL 2020 2 1899491. 5/ZL 2022 2 3295218. 3.

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Quality Inspection Laboratory


Sunny Weiyi has introduced more than 30 instruments, including advanced fabric thickness testers, ventilated rapid eight-basket ovens, vertical pressure steam sterilizers, electric constant temperature incubators, and medical protective clothing fabric friction charge testers, which can independently complete quality inspection work.

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