
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.