jz1020

it points with graphite particles and graphite-bearing and divided into1.0-1.5 mm,1.5-2.0 mm,2.0-3.0mm Advantage:No general oil lubrication device of pollution producedReduce casting stomatal incidenceExtended use plunger, reducing friction life because of adverse effectsProlong the life with punch die, general use pure oil lubrication increased more than twiceJet speed increaseWhen casting ...