The tubes are used for the blood sampling for biochemical, immunization test. The internal walls are coated with the anti-wall sticking agent and meanwhile add the pro-coagulant, which has the characters of temperature flexible, fast coagulant, which has the characters of temperature flexible, fast coagulation, fibrin never recur. 46.5*37.5*30cm, g.W./n.W.: 13.5/12kg
