
Hubei Sanxiang Superhard Materials Co., Ltd.

Wujiang Zhongsheng Machinery Co., Ltd.

Tianchang Tianxiang Group Co. Ltd.

Hebei Xiong'an Xujidian Comprehensive Energy Technology Co., Ltd.

VB Assets LLC

Research & Development LLCCalifornia, United States

Shanghai Orientation Medical System Co., Ltd.

Nanjing Yangzi Fine Chemistry Co. Ltd.

Hangzhou Mr. Bang Technology Co., Ltd.

Guangdong Beijiang Switch Factory

Ever Shining Optotech Co. Ltd.

Shenzhen Rich Creative Technology Industry Co., Ltd.