... injection needle, barrel, plunge, piston, elastic clip, position fi Safety Auto-Destruct SyringeFeatures:1) Consists of injection needle, barrel, plunge, ... resistant plate2) Technical requirements: a) Using method is similar with normal disposable syringeb) Position fixing board must not fall ... , pull off force and plunger broken force are complied with the standard of Q/WYG46-20024) 3ml, 5ml and ...