
Schwab Corp.Indiana, United States

Ventus IP Holdings LLC

Guangdong Keda Metrology Technology Co., Ltd.Guangdong Sheng, China

Shenzhen Jintunan Creative Technology Co., Ltd.Guangdong Sheng, China

Aqua Signal AGGermany

Guangdong Canno Network Co., Ltd.Guangdong Sheng, China

Beijing Aerospace East Technology Development Co., Ltd.Beijing Shi, China

Anhui Wanjiang Electromechanical Equipment Manufacturing Co., Ltd.Anhui Sheng, China

Hebei Aojin Machinery Equipment Co., Ltd.Hebei Sheng, China

Jiangxi Houde Mould Technology Co., Ltd.Jiangxi Sheng, China

Institute of Metal and Chemistry, Academy of Sciences, Ministry of Railways

Hefei Suna Engineering Design Co., Ltd.Anhui Sheng, China