Yunbaiyao Zhengwu Technology (Shanghai) Co., Ltd.
Ark International
British Belting & Asbestos Ltd.
Zenken Co. Ltd.
Fujian Kejie Hoisting Machinery Co. Ltd.
Sostel Oy
Jiangsu Kubolian Industrial Co., Ltd.
China Ship Research and Design Center
Hangzhou Hengli Electronic Technology Co., Ltd.
Suzhou Kaifeng Electronics Co. Ltd.
Hunan Lianzhi Monitoring Technology Co., Ltd.
Cixi Beite Lighting Electric Co., Ltd.