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Nanjing Kejie Analytical Instrument Co., Ltd.
VY Optoelectronics Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Shenzhen Siyuan Digital Technology Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
CPG OPTICS LIMITED
Raylabel Instrument Co., Ltd.
Jinan Hope Wish Photoelectronic Technology Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
GIAI PHOTONICS CO., LTD.