
Showa Front Co., Ltd.Tokyo-to, Japan

Civad SA

Grupo de Empresas Azvi SLAndalucia, Spain

EDAG GmbH & Co. KGaAHessen, Germany

China High-Speed Railway Technology Co., Ltd.Beijing, China

Hangzhou Kaida Electric Power Construction Co. Ltd.

Shanghai Highway Bridge (Group) Co., Ltd.

MJC, Inc.Georgia, United States

THE NIPPON ROAD CO., LTD.Tokyo-to, Japan

Kutzner + Weber GmbHGermany

Hanekamp GmbH

Yingjia Internet (Beijing) Technology Co., Ltd.Beijing Shi, China