Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.:

Tianjin Bosi Testing Co., Ltd. passed CNAS certification.

China's top 500 private enterprises Yuantai Derun Steel Pipe Manufacturing Group has been awarded the honor of China's top 500 private enterprises for more than 10 consecutive years.

China's top 500 manufacturing enterprise certificate

China Steel Structure Association group member Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. has been a group member of the Cold-Formed Steel Branch of the China Steel Structure Association for several consecutive years.

5A certificate for the operation and management of steel circulation enterprises Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. was rated as a 5A enterprise for the operation and management of steel circulation enterprises by the China Metal Materials Circulation Association.

Yuantai Derun Steel Pipe Manufacturing Group - National Square and Rectangular Pipe Manufacturing Industry Single Champion Certificate.

Product Certificates

ISO9001

ISO14001

ISO45001

LEED

PHD

EPD

API Spec. 5L Certificate

American ABS Classification Society Certification

DNV Classification Society Certification

JIS Japan and South Korea Certification

BV French Bureau Veritas Certification

ISO9001 Quality Control System Certification

EN10219 European Standard Certification

EN10210 European Standard Certification