Description: Using green sand casting, resin sand casting or lost foam casting process, SIMIS precision casting Inc. can produce all kinds of cast iron wheel from 4� to 50� . These cast iron wheels are used for transportation, automotive and so on. The material of these cast iron wheels can be grey cast iron or ductile cast iron depending on the client� s requirement. The ductile wheels is model wheels are made of cast ductile iron with almost unbreakable construction for exceptionally heavy-duty service. Ductile iron has a tensile strength. This wheel is meant for the roughest of applications on the poorest of floors. 1 Casted V belt pulley SPA SPB SPC SPZ 2 Made in kinds gray iron material 3 In different V groove 4 Exported to all world Casted V belt pulley in different Standard Standard type or specially designed for buyer Used for V BELT Kind of type SPA SPB SPC SPZ With taper bush bore, pilot bore Groove from 1 to 5 Material: gray iron GG 25 ( HT250) , nodular cast iron GG 40 and so on Surface treatment : blacken oxide, phosphating, painted, zink plated and so on Packing : according to buyer request Standard: Europe Standard or America Standard Quality: Made with qaulified material Each one is strictly dynamically balanced with high precision dynamic maching tools