Beijing Gas Pinggu Co., Ltd.Beijing Shi, China
Smj
China Construction Technology Guizhou Co., Ltd.Guizhou Sheng, China
Nanjing Honghai Technology Co., Ltd.Jiangsu Sheng, China
Shenzhen Litong Technology Co., Ltd.Guangdong Sheng, China
Weifang Woowei Environmental Protection Technology Co., Ltd.Shandong Sheng, China
Yancheng Huayi Petroleum Machinery Co. Ltd.
Daqing Puluo Petroleum Technology Co. Ltd.Heilongjiang Sheng, China
Taizhou Zhenhang Electromechanical Co., Ltd.Zhejiang Sheng, China
Henan Frago Intelligent Equipment Co., Ltd.Henan Sheng, China
Masami Iida
Dalian Railway Institute