The special design of auto-destruct plunger can make the hospital recycle and destruct easily .It can really achieve for single use . This product is named that high quality and technological product for many times.The product uses high quality and gets many honor names,such as ,Zhejiang high quality medical product,Taizhou famous brand,and Taizhou famous product. Combing with our company micro-remant injection needles ,it can widely applied to inoculation and injecting precious medicine .It can reduce remains of medical liquid to one tenth of that of common syringe.