wenzhou zhengxin pipe co.,ltd contrôle de la qualité

Norme:enviorment quality management system certification

Nombre:60721S10101ROS

Prescription Date:2021-05-20

Date d'expiration:2024-05-19

Portée / Range:material and pipe products was producing

Délivré par:beijing dongbiao quality limited company

Norme:quality management system certification

Nombre:60721Q10163ROS

Prescription Date:2021-05-21

Date d'expiration:2024-05-19

Portée / Range:material and pipe products was producing

Délivré par:beijing dongbiao quality limited company

Norme:Test Report

Nombre:ZYW202005395

Prescription Date:2022-11-22

Date d'expiration:2022-11-22

Portée / Range:material and pipe products was producing

Délivré par:Zhejiang Province Metal lurgic products quality test station co., ltd

Norme:safely healthy management certification

Nombre:60721s10101ROS

Prescription Date:2022-11-22

Date d'expiration:2024-05-20

Portée / Range:material and pipe products was producing

Délivré par:beijing dongbiao quality limited company