Sand blasting and matter finishing are all widely used surface treatment processes for investment castings. They will be applied according to different requirements.

Tongda precision casting focuses on the techniques of silica sol, water glass，shell mould and lost-foam castings. The materials we are dealing with are stainless steel, carbon steel, alloy steel, ductile iron, grey iron and so on. Our OEM products are widely used in the industries of Automobiles.G.E......

Investment casting is a process for various industries.We mainly use this process to produce any shape metal parts we need.Investment casting foundries are existed in every country.But investment castings made in European and American countries are expensive for its high labour costs.So "investment ......

Water glass is the general calling of sodium silicate and sodium potassium silicate. It's the main elements used in water glass casting process.There're two basic steps for casting. One is qualified cavity and the other is the steel water with proper temperature. 

Investment casting equipments include all machines involved during the casting and products finished process. According to the production flow, below are the equipments that will be used.

With the development of the domestic investment casting industry and mold industry,related equipments like vertical and gantry machining center, CNC lathe are also get fast developed,which greatly improve the precision and depth of investment casting industry.