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Nanjing Kejie Analytical Instrument Co., Ltd.
Nanjing Puao Medical Equipment Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
CPG OPTICS LIMITED
GIAI PHOTONICS CO., LTD.
Qidong Perfect Precise Tools Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
VY Optoelectronics Co., Ltd.