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Shenzhen Newerton Technology Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Haike Outdoor Sport Co., Ltd.
Labmen Instrument Limited
Shanghai Drawell Scientific Instrument Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Wincom Company Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Ergas Technology Co., Ltd.