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GIAI PHOTONICS CO., LTD.
Xi'an Heb Biotechnology Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Nanjing Poweam Medical Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Foshan Sident Technology Limited
Shenzhen Haiwang Sensor Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
VY Optoelectronics Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.