a.Sterilized by Gamma Radiation , non-toxic, non-pyrogenic;
b.Size distinguished by the needle color for the clear recognition;
c. With standard level, large diameter and quick flow;
d. Delicately-designed needle-point with features of sharpness, smooth puncture, less damage to the issue, less painful feeling to the patient;
e. Semi-transparent needle-hub for the convenient observation of blood reflux.