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Guangzhou Haike Outdoor Sport Co., Ltd.
GIAI PHOTONICS CO., LTD.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Shenzhen Haiwang Sensor Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
VY Optoelectronics Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.