Jiashan Yongjin Metal Products Co., Ltd. is a precision casting manufacturer specializing in the production of various high-quality stainless steel, carbon steel, alloy steel and other materials.

The silica sol investment precision casting process used is a kind of casting process with little or no cutting. It is an excellent process technology in the casting industry. It is more advanced than the water glass process and composite process used by most domestic manufacturers, and the surface of the castings cast is smoother and smoother, and its application is very wide.

It is not only suitable for the casting of various types and alloys, but also produces castings with higher dimensional accuracy and surface quality than other casting methods. Even other casting methods are difficult to cast. The castings are complex, high temperature resistant, and not easy to process. Can be cast by investment casting.

The size precision of investment castings is relatively high, generally up to the national standard CT6-8. The surface finish of investment castings is higher than that of general castings, generally up to Ra.3.2~6.3μm.