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Donghai Yukang Quartz Material Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.
Kin Yu International Limited
Tianjin Humanda Technology Development Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Shanxi Midas Industrial Co., Ltd.
Sure Care Corporation
Taizhou Runlab Labware Manufacturing Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.