
China Power Construction Group Huazhong Electric Power Design and Research Institute Co., Ltd.Henan Sheng, China

Hebei ZhiFang communication equipment co., ltdHebei Sheng, China

Chongqing Longzhao Machinery Co., Ltd.

Bombardier Holdings (Austria) GmbH

Foshan Jiezhi Information Technology Co., Ltd.

Keystone Investment Corp

Synatel Instrumentation Ltd.Staffordshire, United Kingdom

Fuji Electric Advanced Technology Co. Ltd.

Everbright Environmental Technology Research Institute (Nanjing) Co., Ltd.

Suzhou Dongyi CNC Co., Ltd.

China Construction Shenzhen Decoration Co.,Ltd

Sangjin Tech Co. Ltd.