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Chengdu Yushengda Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
GIAI PHOTONICS CO., LTD.
Nanjing Redsun Optical Co., Ltd.
Ningbo Gamry Optical Instrument Co., Ltd.
Guangzhou Maya Medical Equipment Co., Ltd.
Catchbest Vision Technology (Beijing) Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Ganzhou Heying Universal Parts Co., Ltd.
VY Optoelectronics Co., Ltd.
Commander Group Ltd.