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Yiwu Wisdom Import & Export Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Ergas Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Shenzhen Slinya Electronic Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Haike Outdoor Sport Co., Ltd.
Wincom Company Ltd.
Movel Scientific Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Labmen Instrument Limited