
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.