
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.