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Hangzhou Pnshar Technology Co., Ltd.
China Xinxing Shanghai Import & Export Corporation
Quanzhou Jupin Group Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
VY Optoelectronics Co., Ltd.
Foshan Sident Technology Limited
Guangzhou Haike Outdoor Sport Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Jiangsu Kingwood Industrial Co.,Ltd
OPTECK MANUFACTURING GROUP LTD.
Xi'an Heb Biotechnology Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.