Chongqing Jinmei Communication Co. Ltd.
China Coal Mine Construction Group Co. Ltd.
Robert Thomas Metall- und Elektrowerke GmbH & Co. KGNordrhein-Westfalen, Germany
Zhejiang Construction Engineering Group Co. Ltd.
Kimmon Electric Co. Ltd.Tokyo-to, Japan
Shanghai Zhezhong Group Co., Ltd.Shanghai Shi, China
Continental Research & Engineering LLCColorado, United States
Keiyo Plant Engineering Co., Ltd.Chiba-ken, Japan
Airflow Sciences Corp.Michigan, United States
Toei Constructions Co., Ltd.Tokyo-to, Japan
MicroGeneSys, Inc.
Broadwell (Shenzhen) Technology Co., Ltd.