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Shanghai Drawell Scientific Instrument Co., Ltd.
Jiaxing Yaou Optical Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.