The different processes:

Silicasol investment casting

Composite investment casting (mixture of silicasol and water-glass investment casting) 

Water-glass investment casting

Casting tolerance: CT5-CT9

Material: Carbon steel, stainless steel and heat resistant steel, alloy steel

Surface finish: shot blasting, polishing, painting, powder coating, galvanizing, passivating, pickling,

Products such as trays, furnace fixtures, chain guides, furnace grids, cast fans, staple trays, baskets, heat recuperators, crucible pots, investment cast and machined bushes, cast link-belt assemblies and so on.