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GIAI PHOTONICS CO., LTD.
Qidong Perfect Precise Tools Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Henan Forever Medical Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Ergas Technology Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.