Beijing No 5 Construction Engineering Group Co. Ltd.
CIMC Ocean Engineering Design & Research Institute Co., Ltd.Shanghai Shi, China
Kawada Construction Co., Ltd.Tokyo-to, Japan
Sichuan Esheng Cement Group Co. Ltd.Sichuan Sheng, China
Lentjes GmbH
Shanghai Gaoxin Energy-Saving Technology Co., Ltd.Shanghai Shi, China
Door Controls, Inc.
Les Constructions DasseFrance
Geometrica, Inc.California, United States
PBU (UK) Ltd.United Kingdom
Shenzhen Zhongming Hi-Tech Information Industry Co., Ltd.
Symons Corp.Illinois, United States