We can supply the castings in a very low price that made of the following materials:a) Carbon steelb) Alloy steelc) Stainless steel SS304, SS316Specification:1) Many kinds of materials and processing methods available2) Standards: GB/T19001-2000idt ISO 9001:20003) Can be produced as per buyer's drawings and samplesWe have the Germany Optical Spectrograph(QC/V) to make sure that our products meet your standards!We can also supply all kinds of hydraulic cylinders in a very low price that you need according with ISO standard(GB/T19001-2000idt ISO 9001:2000), detail specification is available.Specification:Can be produced as per buyer's drawings and samples.