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Why Can We Always Ensure Excellent Quality

Quality Control

QC Profile

Every company deeply understand that quality is the basic weapon for an enterprise to win. Quality is one of the factor that helped the business to achieve success, so we strive to provide qualitative business.

Certification

Wuhan Wechange Technology Co., Ltd Certifications
Standard: Quality Management System Certificate
Number: NOA2301680
Issue Date: 2024-05-28
Expiry Date: 2026-02-26
Scope/Range: research,development,production and sales of nanofiber composite non-woven fabrics and filter elements
Issued By: NOA
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Quality Management System Certificate
Number: NOA2301681
Issue Date: 2024-05-28
Expiry Date: 2026-02-26
Scope/Range: research,development,production and sales of nanofiber composite non-woven fabrics and filter elements
Issued By: NOA
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Quality Management System Certificate
Number: NOA2301681
Issue Date: 2024-05-28
Expiry Date: 2026-02-26
Scope/Range: research,development,production and sales of nanofiber composite non-woven fabrics and filter elements
Issued By: NOA
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Invention patents
Number: ZL 2020 1 0094585.3
Issue Date: 2021-10-01
Scope/Range: Polyvinyl alcohol-ethylene copolymer honeycomb porous membrane and preparation method thereof
Issued By: State Intellectual Property Office
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Invention patents
Number: ZL 2022 1 0817135.1
Issue Date: 2024-02-20
Scope/Range: Preparation method of nylon nanofiber suspension, nylon nanofiber membrane and application
Issued By: State Intellectual Property Office
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Invention patents
Number: ZL 2022 1 0934349.7
Issue Date: 2024-02-23
Scope/Range: Nanofiber aerogel material for strong anion exchange and preparation method thereof
Issued By: State Intellectual Property Office
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Invention patents
Number: ZL 2021 1 1677067.5
Issue Date: 2023-04-11
Scope/Range: Composite chromatography filter membrane material based on nanofiber and polymer microspheres and preparation method thereof
Issued By: State Intellectual Property Office
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Certificate of Achievement
Number: J-2018-1-11-D04
Issue Date: 2018-10-19
Scope/Range: Key technologies for the industrialization of thermoplastic polymer nanofibers and their applications in the field of liquid sep
Issued By: China National Textile and Apparel Council (HUI).
Wuhan Wechange Technology Co., Ltd Certifications
Standard: China Textile Industry Patent Award
Number: ZL201410193018.8
Issue Date: 2019-11-13
Scope/Range: A kind of high-adsorption nanofiber composite filter material and preparation method thereof
Issued By: China National Textile and Apparel Council (HUI).
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Science and Technology Award Certificate
Number: 2023J-242-3-112-019-D03
Issue Date: 2024-03-14
Scope/Range: R&D and industrialization of complete sets of leachate treatment technology and equipment for landfills
Issued By: Hubei Provincial People's Government
Wuhan Wechange Technology Co., Ltd Certifications
Standard: Invention patents
Number: ZL 2014 1 0193018.8
Issue Date: 2016-04-20
Scope/Range: A kind of high-adsorption nanofiber composite filter material and preparation method thereof
Issued By: State Intellectual Property Office
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