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Hunan Puqi Geologic Exploration Equipment Institute (Common Partnership)
Junhong Electronic & Technology Co., Ltd.
Weifang Better Heavy Machinery Science and Technology Co., Ltd.
Zhongke-Lian Sheng (Shenzhen) Technology Co., Ltd.
Shenzhen Zhonganxie Technology Co., Ltd.
Zhuozhou Tianpeng Imp. & Exp. Trade Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Hongkong Joint Stars Group Limited
Hangzhou Dooren Technology Co., Ltd.