With the rapid development of society, people's living standards improved. Every household has basically become car transport. In the rapid development of the automotive industry, and filter industry has also been a very good development. Emerald filter in the filter industry has played a certain influence. Emerald filter in the automotive industry is widely used. Cartridge major role in the automotive industry is entering a certain substance inside the engine selective filtering to ensure that our car engine running efficiently and to extend our engine life. It can be seen that the filter for the key role played by our entire launch system, the car's engine is the heart of our vehicles, which determines the quality of the filter element throughout our cars in good condition http://www.hangdalvye.com /. Jade filters, namely MP-filter, is an Italian-owned enterprises in hydraulic filtration market, with over 45 years of experience. Since the 1960s, emerald continuous research and development to become the world's leading manufacturer of hydraulic filters and laid a solid foundation. Thus emerald filters can provide good services for the automotive industry, and has good prospects in the automotive market. This text Keywords: Emerald filter