nvestment Casting  
    1)  Processes:  Silica sol, Complex Shell Process, Water glass.
    2)  Materials:  any grade of stainless steel, Carbon Steel, Alloy steel, iron alloy nickel bases                   
                    and chrome bases, copper,brass and aluminum or according the customer’s request 
    3)  Weight:  
       Silica sol: 0.05kgs- 15kgs;  
       water glass:300kgs. 
       
    4) The precision of dimension: CT5-CT7