VB Assets LLC
Non Destructive Inspection Co., Ltd.Osaka-fu, Japan
Xintian Co., Ltd
Xiamen Qiaoxing Industry Co. Ltd.
Chengdu Fanhua Aviation Instrument Electric Co., Ltd.Sichuan Sheng, China
Anhui Jichuan Technology Co., Ltd.
Hubei Nafu Transmission Machinery Co., Ltd.
Baoyi New Materials Co. Ltd.
Guangdong Yiguang Fire Technology Co., Ltd.
Beijing Taiyi Technology Co. Ltd.
Guangzhou Nanda Industrial Co., Ltd.
Drilling Technology Research Institute of Xinjiang Petroleum Administration