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Shanghai Aucy Scientific Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Labmen Instrument Limited
Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
VY Optoelectronics Co., Ltd.
Ergas Technology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Global Hair Beauty Equipment Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Wincom Company Ltd.