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Shenzhen Siyuan Digital Technology Co., Ltd.
Raylabel Instrument Co., Ltd.
Foshan Sident Technology Limited
Shijiazhuang Zeyuan Optics Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Jinan Hope Wish Photoelectronic Technology Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Labmen Instrument Limited
VY Optoelectronics Co., Ltd.