
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.