
Fritz Buser

Xichang University

Beijing Weijie Dongbo Information Technology Co., Ltd.

JoulWatt Technology Inc. Limited

Beijing Bbef Science & Technology Co. Ltd.

Diantong Co., Ltd

Henan Yuqianxin Metal Technology Co., Ltd.

Ruhrchemie AG

Chizhou Banzhu Technology Co., Ltd.

Danjiangkou Danjiang Auto Transmission Shaft Co. Ltd.

Gaoyou Gaoyuan Machinery Manufacturing Co., Ltd.

Ningbo Shuangyu Electromechanical Manufacturing Co., Ltd.