wenzhou zhengxin pipe co.,ltd Kalite kontrol

Standart:enviorment quality management system certification

Sayı:60721S10101ROS

Yayımlanma tarihi:2021-05-20

Bitiş tarihi:2024-05-19

Kapsam/Aralık:material and pipe products was producing

Tarafından verilen:beijing dongbiao quality limited company

Standart:quality management system certification

Sayı:60721Q10163ROS

Yayımlanma tarihi:2021-05-21

Bitiş tarihi:2024-05-19

Kapsam/Aralık:material and pipe products was producing

Tarafından verilen:beijing dongbiao quality limited company

Standart:Test Report

Sayı:ZYW202005395

Yayımlanma tarihi:2022-11-22

Bitiş tarihi:2022-11-22

Kapsam/Aralık:material and pipe products was producing

Tarafından verilen:Zhejiang Province Metal lurgic products quality test station co., ltd

Standart:safely healthy management certification

Sayı:60721s10101ROS

Yayımlanma tarihi:2022-11-22

Bitiş tarihi:2024-05-20

Kapsam/Aralık:material and pipe products was producing

Tarafından verilen:beijing dongbiao quality limited company