OEM GG25 sand casting pulley 1.material:G20,G25,G30 2.ISO9001 3.OEM service ... 4.10 years export experience OEM GG25 sand casting pulley Specification:material: GG20/GG25/GG30cast level: CT10-CT11sutfaceness: Ra25technique: Clay ... ,spraying plastic, print ectequipment: Cupola and electric furnace, mold production line, DISA, etc weight: 0.5kg-100kgYour satisfaction is our aim ...