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Weifang Huamei Electronics Co., Ltd.
Guangzhou Beautysource Bio-Technology Co., Ltd.
Zhengzhou Huaer Electro-Optics Technology Co., Ltd.
Beijing Topmachines S&T Co., Ltd.
Guangzhou Ekai Electronic Technology Co., Ltd.
Beijing ADSS Development Co., Ltd.
Weifang Newheek OPT Machine Co., Ltd.
Weifang KM Electronics Co., Ltd.
Cosmo Far East Technology Limited
Beijing Oriental Wison Technology Co., Limited
Beijing Keylaser Sci-Tech Co., Ltd.
Chongqing Fengdu Biotechnology Co., Ltd.
Hubei YJT Technology Co., Ltd.