... and mechanical equipment Process method: cold rolling, cold drawing, hot forging etc.Surface finish: acid washing, annealed, manual polished, mechanical polished ... and precision casting production lines as welll as domestic leading forging and rolling ,drawing and tube production lines.Manufacture capacity: ... 1Cr20Ni14Si2 HGH1040,Cr20Ni80,Cr20Ni35,Cr15Ni60,0Cr21Al6Nb,0Cr25Al5,0Cr27Al7Mo2 invar 36 rod