2550CNY/ barrel (170KG) products are used in various metal processing plants and mechanical hardware products in the process of anti-rust and sealing anti-rust. Long-term storage of metal products and rust prevention; Need to be transported by sea and in the salt spray environment of metal products sealed rust prevention. Rust proof period more than 2 years. The product features can replace the moisture and sweat attached to the metal surface, prevent moisture and human sweat caused by rust; At the same time, it is adsorbed on the metal surface and generates a firm protective film to prevent the invasion of foreign corrosive media. It has excellent resistance to moisture and heat and salt spray. The oil film has the property of automatic repair. It is easy to operate and widely used.