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Shijiazhuang Zeyuan Optics Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Quanzhou Jupin Group Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Raylabel Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Biobase Biodustry (Shandong) Co., Ltd.
Jiaxing Yaou Optical Technology Co., Ltd.
Guangzhou Maya Medical Equipment Co., Ltd.
Shenzhen Handsome Technology Co., Ltd.