Start valve stainless steel investment casting

Sand Casting is suitable for the manufacture of large parts and is suitable for aluminium alloy castings, iron castings, steel castings and Brass Castings etc. At present, Dongrun has two types of sand casting processes: red sand Aluminum Casting and resin composite sand aluminum casting. The sand molds for both methods are the same, just the sand is different. Red sand casting uses red sand as the original foundry sand, which can be reused, which is a common method in sand casting foundry....