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Yueqing Haixin Electronic Science Technology Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Nengshi Analytical Sensor Co., Ltd.
Chongqing Fengdu Biotechnology Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Hangzhou Anow Microfiltration Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Beijing Topmachines S&T Co., Ltd.
Shenzhen Bonad Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Wenzhou Luosimeng Machinery Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Wincom Company Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.