
IHI Construction Service Co., Ltd.Tokyo-to, Japan

COOEC Subsea Technology Co., Ltd.

General Shale Brick, Inc.Tennessee, United States

Xinjiang Communications Construction Group Co., Ltd.Xinjiang Uygur Zizhiqu, China

China Sinogy Electric Engineering Co., Ltd.

Nippon P.S Co., Ltd.Fukui-ken, Japan

Kyungil Construction Co. Ltd.

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

Beijing Geological Engineering Co.Beijing Shi, China

General Impianti SRLFrosinone, Italy

Anhui Conch Group Co., Ltd.

Hollandsche Beton Groep NV