Dongfeng Design Institute Co., Ltd.
China Railway Erju 5th Engineering Co., Ltd.
Kikusui Chemical Industries Co., Ltd.Aichi, Japan
HanmiGlobal Co., Ltd.South Korea
Keller
Saint-Gobain Placo Ibérica SA
Hanover Prest-Paving Co.
Yamato Corp.Osaka-fu, Japan
China Road & Bridge Corp.
China Gezhouba Group Eco-Environmental Engineering Co. Ltd.Hubei Sheng, China
Barr & Wray Ltd.Glasgow City, United Kingdom
Sichuan Yadong Cement Co., Ltd.