
Shanxi Yuxian Xixiaoping Refractories Co. Ltd.

Maanshan Keshengnuo Automation Technology Co., Ltd.

Xin Jiang MME Electric JSC Ltd.

BTU Engineering, Inc.

Noise Laboratory Co. Ltd.

Shenzhen Guanhua Jewelry Co., Ltd.

Zhuzhou Fude Rail Transit Research Institute Co., Ltd.

Suzhou Helimei Electronic Technology Co., Ltd.

Jiangsu Frontier Electric Technology Co., Ltd.

Deyu (Anhui) Technology Co., Ltd.

Ningbo Bichun Technology Co., Ltd.

Tianjin Jinghai Fulida Steel Pipe Co. Ltd.