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Quanzhou Jupin Group Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Foshan Sident Technology Limited
Shenzhen Slinya Electronic Co., Ltd.
Labmen Instrument Limited
Shanghai Drawell Scientific Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shenzhen Newerton Technology Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.