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Ningbo Hongbo Optical Instrument Co., Ltd.
Ergas Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Quanzhou Hi-Create Machine Co.,Ltd
Nanjing Poweam Medical Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
GIAI PHOTONICS CO., LTD.
Qidong Perfect Precise Tools Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.
Shenzhen Siyuan Digital Technology Co., Ltd.
Jinjiang Jiaxing Group Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.