China Railway Construction Engineering Group Co., Ltd.
China IPPR International Engineering Corp.
Société d'Aménagement Urbain et Rural SAFrance
Sichuan Yongqiang Machinery Construction Co., Ltd.
Action Construction Equipment Ltd.Haryana, India
Beijing Leixin Construction Engineering Co., Ltd.
Ertech Pty Ltd.South Australia, Australia
Fujian Gaohua Construction Engineering Co. Ltd.Fujian Sheng, China
Sichuan Chuanjiao Road & Bridge Co. Ltd.
Beijing GeoEnviron Engineering & Technology, Inc.
Asahi Kasei Engineering Corp.
Dalian Municipal Design & Research Institute Co. Ltd.