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Shenzhen Siyuan Digital Technology Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
CPG OPTICS LIMITED
Guangzhou Haike Outdoor Sport Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Wuhan Joho Technology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Shenzhen Xavier Precision Component Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Henan Forever Medical Co., Ltd.
Shenzhen Chuangxin Instruments CO., LTD.
Labmen Instrument Limited
VY Optoelectronics Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.