
Heval Hengdian Machinery Co. Ltd. Cnnc

Biotech Products LLC

Inno Instrument (China), Inc.

Union Special Corp.

Wei-Cheng Enterprise Co. Ltd.

Shenzhen Research Institute of Xi'an Jiaotong University

Salem Equipment, Inc.Oregon, United States

Telesensomatic Gmbh

Jiangsu Ruiyi Petroleum Machinery Co., Ltd.

Gutian Electric Co., Ltd

Jinan Lanhai Transmission Machinery Co., Ltd.

Jiangsu Xuhang Technology Co. Ltd.