회사의 몇몇 활동과 사건

Qianhao passed two European standard welding certifications: EN 15085-2 and EN ISO 3834-2.

release date: 2022-09-29

On June 17, 2021, Qianhao passed the review of two European standard welding certifications:  EN 15085-2 and EN ISO 3834-2.

On June 17, 2021, Qianhao passed the review of two European standard welding certifications:  EN 150(图1)