
North China Nonferrous Metals (Sanhe) Yanjiao Central Laboratory Co., Ltd.Hebei Sheng, China

Bentley-Hendon Holdings Ltd.United Kingdom

Dongyang Mingtang Redwood Furniture Co. Ltd.

Wenzhou Haiduobao Machinery Technology Co., Ltd.Zhejiang Sheng, China

Suzhou Yipin Quality Technical Service Co., Ltd.Jiangsu Sheng, China

Chengdu Honghai Electric Co., Ltd.Sichuan Sheng, China

State Key Laboratory of Shield Tunneling and Tunneling Technology

Shanghai Senorta Automotive Technology Co., Ltd.Shanghai Shi, China

Zhejiang Dongxin Valve Co., Ltd.Zhejiang Sheng, China

N2 Towers, Inc.Canada

Process Improvements Ltd.United Kingdom

Tanaka Giken Co. Ltd.