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Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Foshan Sident Technology Limited
GIAI PHOTONICS CO., LTD.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Shenzhen Handsome Technology Co., Ltd.
Guangzhou Maya Medical Equipment Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Shenzhen Siyuan Digital Technology Co., Ltd.
CPG OPTICS LIMITED
Hangzhou Pnshar Technology Co., Ltd.
Labmen Instrument Limited