Hunan Jinjian New Material Technology Co., Ltd.
Ekinops Corp.
Shaanxi Chemical Construction Co.Shaanxi Sheng, China
Shandong Kupin Intelligent Technology Co., Ltd.
Gansu Architecture Design Academy Co. Ltd.Gansu Sheng, China
Shenzhen Jizhong Technology Development Co., Ltd.Guangdong Sheng, China
Concord Laboratories, Inc.
Shenzhen Jiale Xiang Jewelry Co., Ltd.Guangdong Sheng, China
Wuxi Sanfeng Instrument Equipment Co., Ltd.Jiangsu Sheng, China
CNPC Great Wall Drilling Engineering Co., Ltd. mud logging company
Hefei Lucky Science & Technology Industry Co. Ltd.
Changyang Qingjiang Pengbo Development Co. Ltd.