Introduction rust metal processing in the production, processing and transportation of the process, it is easy to rust, which requires the use of anti-rust oil to form a thin film on the metal surface to prevent metal corrosion chemicals. The so-called rust is due to oxygen and water, the role of the metal surface to generate a mixture of oxides and hydroxides, rust red, green patina, while aluminum and zinc white rust Rust said. Mechanical hard not with oxygen, moisture or other corrosive media in contact with air, these substances will occur in the operation and storage electrochemical corrosion and rust the metal surface, to prevent corrosion have prevented more substances in contact with the metal. Rust is a form of anti-rust products, as well as other types of anti-rust oil, rust-proof paper. Rust in the casting secondary use as a processing aid in the removal of rust matter sticky sand, burrs, etc. to prevent hydraulic components and systems following effects: (1) continue to work with the host commutation, vibration, stick sand burrs off at any time, while the pollution caused by the card system fluid and valve, pull the cylinder and filter clogging, which is a key factor leading to poor reliability of the host; (2) reducing the valve assembly yields elements affecting productivity; (3) reducing the body and paint adhesion efficient anti-rust agent, affect product aesthetics. Foreign manufacturers of hydraulic auxiliary processing attaches great importance to the steel rust, auxiliary input processing accounted for 20% to 30% rust material production costs even more. Rust in the country, some hydraulic auxiliary processing plant does not pay enough attention to, the use of simple equipment, poor quality of personnel, rust inhibitors are more primitive methods, thus rust auxiliary processing quality severely restricted the domestic hydraulic valve with foreign brands of hydraulic valves quality process to close the gap. Conducting anti-rust agent, Dongguan Ferrer trade, anti-rust agents provided by the Dongguan City Ferrer Trading Limited. Trade Co., Ltd. of Dongguan City Ferrer (www.furui-china.com) is Dongguan, industrial cleaners leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Ferrer trade in Dongguan leadership with the staff warmly welcome all inquiries negotiations to create Dongguan Ferrer trade a better future.