
Yantai Wanlong Vacuum Metallurgy Co. Ltd.

Beijing Wanji Intelligent Network Technology Co., Ltd.

Sanjiang Science & Technology Suzhou Co. Ltd.

Taizhou Shenzhou Transmission Technology Co. Ltd.

GOT German Oil Tools GmbH

AIRPOINT CO.,LTD

Chongqing Jilian Electric Co., Ltd.

Fuzhou Taijiang Zhutu Technology Co., Ltd.

Sichuan Xinqukewei Technology Co., Ltd.

Okamoto Kensetsu Yohin Seisakusho KK

Hrmann KG Freisen

Shanghai Haixing Valve General FactoryShanghai Shi, China