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Guangzhou Haike Outdoor Sport Co., Ltd.
GIAI PHOTONICS CO., LTD.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
Shenzhen Siyuan Digital Technology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Newerton Technology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.