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Nanjing Co-Energy Optical Crystal Co., Ltd.
CPG OPTICS LIMITED
GIAI PHOTONICS CO., LTD.
Raylabel Instrument Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
VY Optoelectronics Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Haike Outdoor Sport Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.