it points with graphite particles and graphite-bearing and divided into1.0-1.5 mm,1.5-2.0 ... of pollutionDie casting surface without oil, clean and bright surfaceRunner gating mouth, bread and soup, and looking back, no greasy, smokefree air ... pollutionWastewater treatment, no unnecessary water cooling system and cleaning shotDosage is very provinces, can save costTo improve the ...