
Yoon-ho Choi

Shenzhen Langyi Electromechanical Engineering Co., Ltd.Guangdong Sheng, China

Northwest Research Institute Co.,Ltd.Of C.R.E.C.Guangdong Sheng, China

Jiangyin Kean Transmission Machinery Co., Ltd.Jiangsu Sheng, China

Lianyungang Gehang Industrial Design Co., Ltd.Jiangsu Sheng, China

Huaneng Dalian Power Plant

Henan Guangcheng System Doors and Windows Co., Ltd.Henan Sheng, China

Chengdu Graceful Technology Co., Ltd.Sichuan Sheng, China

Tianjin Jinwang Sanitary Products Co., Ltd.Tianjin Shi, China

Hubei Luqiao Group Municipal Construction Engineering Co. Ltd.Hubei Sheng, China

TMAI HOLDING CO., LTDZhejiang Sheng, China

Shanxi Dimaiwoke Optoelectronics Industry Co., Ltd.Shanxi Sheng, China