... , 2ml, 3ml, 5ml,10ml,20ml,30ml,50ml,60ml, syringe stopper Rubber piston for syringe: nature rubber , or synthetic rubber, 1ml, 2ml, 3ml ... model for each size, we can make mould base on special plunger design. Products NameSpecification Model Unit PricePacking 1ml *Rubber piston ...