our factory is specialized in producing support roller with high quality Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo,ZG42CrMo,ZG40Cr ... parts,sugar mill machinery parts with carbon steel or low alloy steel.The casting parts can be supplied as following treatment:Heat ...