Scroll vacuum pump is a new generation of oil-free mechanical pump. It has the advantages of simple structure, good sealing performance and high limit vacuum. As a high-tech product, the scroll dry vacuum pump has a very high technical content in design and manufacturing. In application, it has the remarkable characteristics of low operation cost, long service life, high reliability and low noise. It has incomparable advantages in the field of oil-free cleaning application, so it is highly praised by the market. PNK DSL series vortex dry pump is a vortex dry pump with excellent performance launched by punook vacuum according to the downstream application characteristics of domestic and foreign markets.