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Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
GIAI PHOTONICS CO., LTD.
Henan Forever Medical Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
CPG OPTICS LIMITED
Shijiazhuang Zeyuan Optics Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
Labmen Instrument Limited
VY Optoelectronics Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Qidong Perfect Precise Tools Co., Ltd.