Profile: Dongying Vast Precision Casting Co., Ltd is an investment casting manufacturer. We specialize in precision investment casting with various surface treatment. We supply various precision casting parts, such as architectural hardware, marine hardware, machined parts, mechanical products, pumps & valves, and glass spigots. We develop components via stainless steel casting, carbon steel casting, and alloy steel casting. Our main material to do lost wax casting include carbon steel, alloy steel, heat resistant alloy, stainless steel, precision alloy, permanent magnet alloy, bearing alloy, copper alloy, aluminum alloy, titanium alloy and ductile iron. Lost wax casting make small holes 0.5 mm diameter in minimum, and 0.3 mm wall thickness.