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Quanzhou Jupin Group Co., Ltd.
Raylabel Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
GIAI PHOTONICS CO., LTD.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Shenzhen Chuangxin Instruments CO., LTD.
OPTECK MANUFACTURING GROUP LTD.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Lite Technology Limited
Shenzhen Haiwang Sensor Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.