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Shenzhen Haiwang Sensor Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Hangzhou Pnshar Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Labmen Instrument Limited
Ergas Technology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Siyuan Digital Technology Co., Ltd.
Wuhan Joho Technology Co., Ltd.
VY Optoelectronics Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.