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Nanjing Co-Energy Optical Crystal Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Shenzhen Slinya Electronic Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
China Xinxing Shanghai Import & Export Corporation
VY Optoelectronics Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
Hangzhou Pnshar Technology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.