The custom investment casting is a pump housing, which was used in the field of agricultural machinery. The material is carbon steel, and the surface roughness is Ra 6.3. For the precision investment casting, MOQ is 1000 PCS and the lead time is 30 days. JST has made a lot of steel investment castings, most of them are the accessories of the industrial equipment. If you have any orders for custom precision investment casting and custom steel investment casting, please do feel free to contact us for quotation and JST will be your right choice.