Changsha Renji Medical Equipment Co., Ltd is a medical supply company specilizing in medical Accessories series products, such as disposable virus specimen collection tube, Disposable sampling swab, Saliva collection kits, Vacuum vessel. We are direct manufacturerbased on Changsha City Hunan Province. And many of our staffs are gene expertsand professional doctors who have plenty of experience in this industry. Our productshave been exported to more than 50 countries around the world. And our productshave been approved by various certificates, such as SGS,MSDS, ISO13485, NMPA etc.