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Shanghai Aucy Scientific Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
GIAI PHOTONICS CO., LTD.
Ergas Technology Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Raylabel Instrument Co., Ltd.
Shenzhen Handsome Technology Co., Ltd.
VY Optoelectronics Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Zhangjiagang City Zhangyun Machinery Manufacturing Co.,Ltd
OPTECK MANUFACTURING GROUP LTD.
Xi'an Heb Biotechnology Co., Ltd.
Shenzhen Lite Technology Limited
Shenzhen Dowdon Tech Co., Ltd.
Jiaxing Yaou Optical Technology Co., Ltd.