We are a professional manufacturer on the field of vacuum & non-vacuum blood collection tube. Our products contain full varieties of tubes and sizes, such as plain tube, clot activator tube, citrate tube(coagulation tube), glucose tube, ESR tube, EDTA tube, heparin tube, gel and clot activator tube. And all our tubes have obtained ISO13485 and CE certificates.TEL: 0086-631-3636919 FAX:0086-631-5374608E-mail: *****ADD: No. 86 Shenzhen Road, Economy and technic of develepment district Weihai, Shandong, China