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Tianjin Humanda Technology Development Co., Ltd.
Taizhou Runlab Labware Manufacturing Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Kin Yu International Limited
Movel Scientific Instrument Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.