
Sigma PM

Hangzhou Tools & Measuring Implement Co. Ltd.

Shanghai Guqi Nuclear Pore Membrane Technology Co., Ltd.Shanghai Shi, China

Clearwater Networks, Inc.United States

Institute of Sensing Technology, Gansu Academy of Sciences

Shang Hai Tie Lu JuShanghai Shi, China

Shanghai Lanqi Investment&Management Co.,Ltd.Shanghai Shi, China

Jiangsu Anditai Locomotive Manufacturing Co., Ltd.Jiangsu Sheng, China

Wenzhou Tianlong Machinery Technology Co., Ltd.

Jiangsu Feida Drills Co., Ltd.Jiangsu Sheng, China

Oxy-Jeunes, Inc.

Wuxi Jixing Automotive Acoustic Components Technology Co. Ltd.