
Nittel Halle GmbHSachsen-Anhalt, Germany

Foshan Wandaye Machinery Co., Ltd.Guangdong Sheng, China

Guangdong Tengxiang Technology Co., Ltd.Guangdong Sheng, China

David R. Andrews

Southwest University of Science & Technology

Zhangjiagang Hezhishen Intellectual Property Co., Ltd.Jiangsu Sheng, China

Tianjin Xiangyue Sealing Material Co., Ltd.

SCIVIC Engineering Corp.

NANTONG KAIDI CARBON INDUSTRY CO.,LTDJiangsu Sheng, China

Wafangdian Guangyang Bearing Group Co., Ltd.Liaoning Sheng, China

Beijing Century Beking Furniture Co.,Ltd.

Beijing Zhongguancun Kejin Technology Co. Ltd.Beijing Shi, China