Standard:ISO
Number:50322Q2722ROS
Issue Date:2022-01-25
Expiry Date:2025-01-24
Scope/Range:PRODUCTION OF STEEL
Issued By:BEIJING ZHONGDING
Number:8602383
Issue Date:2021-05-20
Expiry Date:2024-04-20
Scope/Range:STEEL STRUCTURE
Issued By:LLC
Contact Person: Ms. shannoie
Tel: +86-159-51400966
Fax: +86-511-85483646