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Labmen Instrument Limited
Raylabel Instrument Co., Ltd.
Shenzhen Dowdon Tech Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Wincom Company Ltd.
OPTECK MANUFACTURING GROUP LTD.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Haiwang Sensor Co., Ltd.
Guangzhou Yihua Electronic Equipment Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Shenzhen Ereagle Technology Co., Ltd.
GIAI PHOTONICS CO., LTD.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Jinan Consure Electronic Technology Co.,Ltd