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Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Maya Medical Equipment Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
GIAI PHOTONICS CO., LTD.
Shenzhen Bonad Instrument Co., Ltd.
Shenzhen Slinya Electronic Co., Ltd.