Certifications & Lab Reports

ISO 9001 Quality Management Certification

Our manufacturing partner, Nantong Senyou Carbon Fiber Co., Ltd., maintains an ISO 9001 Quality Management System covering activated carbon fiber, filter cloth, and filtration product manufacturing. Certificate No. 18125Q12426R0S, issued by CICC (嘉泰认证), valid May 30, 2025 – May 29, 2028.

ISO 9001 Quality Management System certificate for Nantong Senyou Carbon Fiber Co., Ltd.

ISO 14001 Environmental Management Certification

The same facility also holds ISO 14001 Environmental Management certification. Certificate No. 18123E20806R0S, issued by CICC (嘉泰认证), valid Oct 26, 2023 – Oct 25, 2026.

ISO 14001 Environmental Management System certificate for Nantong Senyou Carbon Fiber Co., Ltd.

REACH (EC) 1907/2006

Test report No. WTF25H11308929C from Waltek Testing Group HCT (Shenzhen), tested Nov 24–27, 2025.

REACH test report from Waltek Testing Group HCT (Shenzhen)

Additional Third-Party Test Reports

A CTI (华测) RoHS test report (No. A2190128061104001C) and a Guangdong Detection Center of Microbiology report (No. 2024SP05456R01) are also on file.

CTI RoHS test reportGuangdong microbiology test report

A Note on the Certificate Holder

These certifications are registered under Nantong Senyou Carbon Fiber Co., Ltd., the manufacturer of record in China. Carbotopia is the U.S. sales and service entity. See About Carbotopia for how the two companies relate.