... Mold Accessories Co.,LTD is professional manufacturing as following : Standard parts for plastic mold : Ejector pin, step ejector pin, Rectangular ... ejector pin,Ejector sleeveStandard parts for press mod:Punch, Die,guide post sets(guide bushes ... guide pillar, ball retainer,).Holder guide post sets.Custom-made parts:Gate core, core pin, square core,screw core, ...