
North China Pharmaceutical Co., Ltd.

Arup Group Ltd.England, United Kingdom

Chengdu Road & Bridge Engineering Co., Ltd.Sichuan, China

AECOMCalifornia, United States

John Clark Ltd.

Jinchuan Group Engineering & Construction Co., Ltd.

China Construction Seventh Engineering Division Corp. Ltd.

TRIPLAN AG

Beijing SPC Environment Protection Tech Co., Ltd.Beijing Shi, China

Gansu Fourth Construction Group Co. Ltd.

Jiangsu Zhongrui Road & Bridge Construction Co. Ltd.

Shinhwa Construction Co., Ltd.