Compisition: we are the manufacturer of Disposable Sterile Syringe. we have CE and ISO certification, we have 1ml,2/3ml, 5ml, 10ml, 20ml, 50ml, 100ml capacity syringe, we have lour slip type and lour lock type, and the packing is polybag packing, blister packing. It is consisted of handle, plunger, barrel and piston.It is used in human drug solution injection after disposable aseptic injection needle is installed. if you have any enquiry,please connect with vincent