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Junhong Electronic & Technology Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Hunan Puqi Geologic Exploration Equipment Institute (Common Partnership)
Hongkong Joint Stars Group Limited
Weifang Better Heavy Machinery Science and Technology Co., Ltd.
Dongguan V Finder Electronic Technology Co., Ltd.
Zhongke-Lian Sheng (Shenzhen) Technology Co., Ltd.