The disposable use asepsis injector mainly by the coat, the core bar and the piston as well as the hypodermic needle is composed, its specification has 1ml, 2.5ml, 5ml, 10ml, 20ml, 30ml, the altogether six kinds, this product asepsis, not sends the pyrogen, the easy to operate, This product is suitable for the clinical human body hypodermic or the intravenous injection and clinical Canada for medicinal purposes.