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Lianyungang Hongkang Quartz Products Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Kin Yu International Limited
Movel Scientific Instrument Co., Ltd.
Jinan Lifan Machinery Co.,Ltd
Changzhou Operson Imp. and Exp. Co., Ltd.
Anhui Welcome Foreign Trade Co., Ltd.
Zhejiang Aijiren Technology, Inc.
Canfort Laboratory and Education Supplies Co., Ltd.
Citotest Labware Manufacturing Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Yancheng Huisheng Medical Instrument Factory
Taizhou Runlab Labware Manufacturing Co., Ltd.
Jinhua Yidi Medical Appliance Co., Ltd.