Patents awarded (8)
2007-06
Company establishment
On Jun. 1st, 2007, the company was registered and established in Chongqing Yubei (a purely private enterprise), and the new technology brand was born.
2010-12
Established Xuanhan Zhengyuan Micro Fiberglass Co., Ltd. (Dazhou, Sichuan)
Established Xuanhan Zhengyuan Micro Fiberglass Co., Ltd. (Dazhou, Sichuan), and has become the biggest ultra-fine micro fiberglass industrial park in Asia (covering an area of more than 500 acres) 。
2015-01
Company listing
On Jan. 22th, 2015, listed on Shanghai Stock Exchange. In the same year,Chongqing Fiber Research and Design Institute was established.
2019-10
Establish a 100,000-level clean production workshop
Establish a 100,000-level clean production workshop and obtain a medical device production license. Masks and meltblown have obtained multi-national authoritative certifications
2021-05
Obtained the test qualification certificate issued by Commercial Aircraft of China
Constructed the "Clean Air Whole House Comfort System" experience store, obtained the exclusive distributorship authorization of German TORX home products in China, and obtained the test qualification certificate issued by Commercial Aircraft of China.
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