Our company is a high-tech company integrating investment casting, investment casting equipment and equipment parts sales. Next, we share with you the knowledge of anti-rust of precision castings. Corrosion or discoloration of metals or alloys in the atmosphere due to oxygen, moisture, acids, salts and humid air is called rust or rust, which can turn metal surfaces with very high strength into low-strength compounds. For this reason, investment castings often require intermediate rust prevention. For rust prevention, water rust or oil rust is usually used. No matter which method is used to prevent rust, the castings are washed in advance to remove the dirt on the surface and promote the formation of a passivation film. The composition, temperature and use of the scrubbing solution. After the casting is washed, it should be dried with hot, dry compressed air, and then rust-proofed. We are willing to cooperate closely with you with "preferential price, excellent quality and excellent service". We warmly welcome Chinese and foreign businessmen to seek common development and create a win-win situation.