
RS Co. Ltd.

Tsinghua University Tianjin High-end Equipment Research Institute Luoyang Advanced Manufacturing Industry R&D Base

Chongqing Deyun Mould Manufacturing Co. Ltd.

Bei Da Yi Liao Xin Xi Ji Shu You Xian Gong SiBeijing Shi, China

Haydon Switch & Instrument, Inc.

Tianda Technology Co. Ltd.

Hunan Beiyun Technology Co., Ltd.Hunan Sheng, China

C&A Electric Co., Ltd.

Shenzhen Qianhai Zoome Technology Co. Ltd.Guangdong Sheng, China

Ehc Lift Components Shanghai Co. Ltd.Shanghai Shi, China

King Taudevin & Gregson (Holdings) Ltd.

Yiwu Guanghui Mining Co., Ltd.