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Foshan Sident Technology Limited
Qidong Perfect Precise Tools Co., Ltd.
Raylabel Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
China Xinxing Shanghai Import & Export Corporation
Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Guangzhou Maya Medical Equipment Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Xi'an Heb Biotechnology Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.
Jiaxing Yaou Optical Technology Co., Ltd.
VY Optoelectronics Co., Ltd.
Jinan Hope Wish Photoelectronic Technology Co., Ltd.