China Railway Fourth Institute Group Nanning Survey and Design Institute Co., Ltd.Guangxi Zhuangzu Zizhiqu, China
Beijing Hongshan Information Technology Research Co., Ltd.Beijing Shi, China
Gaomi Sanjiang Machinery Manufacture Co. Ltd.
Kolon Construction Co. Ltd.South Korea
Siemens Mobility Technologies (Beijing) Co., Ltd.Beijing Shi, China
Shanghai Dianbai Imaging Equipment Co., Ltd.Shanghai Shi, China
Shenzhen Senweituo Technology Co., Ltd.Guangdong Sheng, China
Suzhou Industrial Park Ganghua Gas Co. Ltd.Jiangsu Sheng, China
Guangzhou Hanguang Electric Co., Ltd.Guangdong Sheng, China
Liaoning Daneng Electric Co., Ltd.Liaoning Sheng, China
Hefei Customs Technical Center
Zaxcom, Inc.