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.