In order to avoid RE-USE and reduce the risk of cross infection .We improved the structure of a regular disposable syringe and created the auto destruction syringe .The use of this kind of syringe is as the regular syringe . The products are made of fresh medical polymer materials in 100 thousand grade hygienic workshops ,and are sterilized by ethylene oxide ;they are free from bacteria and pyrogen .The physical chemical and biological tests conform to ISO 13485 and CE 0123. After finishing injection, the agnail will pierce the rubber, so if you want to make another injection, the liquid can not be pulled to the barrel again. Then it is destroyed. Specifications have 0.5ml,1ml,2ml,3ml,5ml,10ml