
Welle Environmental Group Co., Ltd.Jiangsu Sheng, China

Hauraton GmbH & Co. KGBaden-Württemberg, Germany

China Academy of Transportation Sciences

Egis Route

Shinhwa Construction Co., Ltd.

Interventek Subsea Engineering Ltd.

Obayashi Road Corp.Tokyo-to, Japan

Clemar Engenharia LtdaSanta Catarina, Brazil

Terberg Benschop BVUT, NL

Sinofibers Technology Co., Ltd.

Hye Young Construction Co., Ltd.

Ballast Nedam Groep NV