
WECO ARMATUREN GmbHNordrhein-Westfalen, Germany

East China Engineering Science & Technology Co., Ltd.Anhui Sheng, China

Joe Green Pte Ltd.

Kunwoo Co., Ltd.

ERG (Air Pollution Control) Ltd.West Sussex, United Kingdom

Shanxi Road & Bridge Co., Ltd.Shanxi Sheng, China

Hille Engineering GmbH & Co. KGNordrhein-Westfalen, Germany

Rocamat SAFrance

China Railway 18th Bureau Group Co., Ltd.

Jiangsu Nantong Sanjian Construction Group Co., Ltd.

Mitsubishi Chemical Engineering Corp.

Shenzhen OCT Vision Inc.Guangdong Sheng, China