Seoul National University of Science & Technology
Lianyungang Haigan Technology Co. Ltd.
Shanghai Yaowei Construction Engineering Co., Ltd.Shanghai Shi, China
Panzhihua Xu Ding Machinery Manufacturing Co. Ltd.Sichuan Sheng, China
HKQ(Tianjin)Water Quality Addivtive Co.,Ltd.Tianjin Shi, China
Liji Industrial Co., Ltd
Shenzhen Chuanruibei Technology Co., Ltd.Guangdong Sheng, China
Shanghai Zhongli Vibration Control Co., Ltd.Shanghai Shi, China
Suzhou Haike Technology Co., Ltd.Jiangsu Sheng, China
Henan Tongman Education Technology Co., Ltd.Henan Sheng, China
Suzhou Tabino Electromechanical Co., Ltd.Jiangsu Sheng, China
Haydon Switch & Instrument, Inc.