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Tianjin Humanda Technology Development Co., Ltd.
Xilong Scientific Co., Ltd.
Anhui Welcome Foreign Trade Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Sure Care Corporation
Donghai Yukang Quartz Material Co., Ltd.
Taizhou Runlab Labware Manufacturing Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Melson Medical Corporation Limited
Qingdao Carong Import & Export Co., Ltd.