Ningbo Rongshen Precision Casting Co.,Ltd is a corporation which is specialized in manufacture of precision casting. The company produces mostly decades materials such as plain carbon steel、alloy steel、stainless steel and more than thousands of products. The products widely applies to several realm of chemistry &industry valves, mine metallurgy, engineering machinery, shipping parts, automobile &motorcycle and so on. The annual production capacity of the company is over 5000 tons of precision casting.