China Road & Bridge Corp.Beijing Shi, China
Zhejiang Communications Construction Group Co. Ltd.
Franki Fondation SASFrance
Cirkel GmbH & Co. KGNordrhein-Westfalen, Germany
China Energy Engineering Group Guangdong Power Engineering Co.
China Railway 19th Bureau Group 3rd Co., Ltd.
CSCEC Strait Construction & Development Co., Ltd.
Han Kyung Co., Ltd.South Korea
schattdecor AG
Chengdu Western Union Petro Engineering Technology Co. Ltd.Sichuan Sheng, China
China National Chemical Engineering Co., Ltd.Beijing Shi, China
International Pavement Solutions, Inc.