customized OEM Steel Precision Casting/Mining Parts With ISO 9001:2008 Standard and ... Casting/Mining PartsTiming pulley Standard and non-standard. Material: Carbon Steel, Aluminum. Type: MXL, XL, L, H, XH, XXH, T2.5 ... according to drawing or sample in metal material such as steel, brass, aluminium etc. With all kinds of surface treatment. customized ...