Medical device accessories are characterized by strict requirements on product precision, surface and hygiene. Jingcheng company adopts the casting method of "colloidal silica casting", with high precision of product size, and can produce medical parts with complex structure without complicated post-processing. These parts are often made from high-value alloy steel to improve the corrosion resistance of the product. At the same time, the selected alloy steel will undergo high temperature sterilization and high load detection. Jingcheng will provide one-stop solution, including heat treatment, precision machining and surface treatment, upon request of customers.