
Dongyang Hengban Electromechanical Co., Ltd.

STABEG Apparatebau GmbH

Changchun Huateng Auto Parts Co. Ltd.

Jiangsu Sunyuan Aerospace Material Co. Ltd.

Hefei Zhongya Building Material Equipment Co. Ltd.Anhui Sheng, China

OM Planning Co. Ltd.

Refac Technology Development Corp.

Jiangsu Chuangtong Electronics Co., Ltd.

Beijing Hengli Tieke Technology Development Branch of Hengqi Technology Co., Ltd.

Multi Measuring Instruments Co., Ltd.

Yima Coal Industry Comprehensive Energy New Energy Co., Ltd.

YUHUAN QINGHAO COPPER CO.,LTD.