... Features to further Pulleys,Belt Pulleys & Sheaves: 1) Sorts of pulley:V-Belt Pulley,Round Belt Pulley,Flat Belt Pulley,Timing Pulley, Transmission ... Steel Bar/plate,Forged Steel,Cast steel,Cast Iron(grey iron casting,ductile iron casting),Cast aluminium,Stainless steel. 3) ... Parts' Features: 1.Raw material & material status:Grey iron,Ductile iron,Forged or cast steel,Steel(bar,plate or sheet), ...