Zhejiang Desheng Railway Equipment Co., Ltd.Zhejiang Sheng, China
Changshu Gaosida Instrument Equipment Co., Ltd.Jiangsu Sheng, China
Beijing Jindi Venture Technology Co., Ltd.Beijing Shi, China
Chongqing Yunda Electromechanical Equipment Manufacturing Co., Ltd.Chongqing Shi, China
Nan'an Qixing Machinery Manufacturing Co., Ltd.Fujian Sheng, China
Yunnan Xintongren Industry Co. Ltd.
Baotou Innovation Institute of Peking University
Chongqing Mingde Doors & Windows Co., Ltd.
Swell Industries LLCUnited States
Shanghai Yushan Trading Co., Ltd.Shanghai Shi, China
Ningbo Weifeng Intelligent Technology Co., Ltd.Zhejiang Sheng, China
Guizhou Yunshang Lilihua Technology Co., Ltd.Guizhou Sheng, China