A:Product Description1, China investment casting suppliers with 15years experience2, Material:C45 steel.3, Weight=640g4, Process:investment casting supplier5, Surface:shot blasted,without zinc plated.6, Used in tractor parts industry.7, Place of origin in zhenhai,Ningbo,China8, Tolerance in CT8 grade.9, Sampling in one month and production ability in 10ton per month.B:Our Service1,OEM/ODM accept.2 ...