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Nanjing Co-Energy Optical Crystal Co., Ltd.
VY Optoelectronics Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Wincom Company Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Quanzhou Jupin Group Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Nanjing Kejie Analytical Instrument Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Shenzhen Bonad Instrument Co., Ltd.