The AS0400-7500 series of double-screw air compressors are a series of high quality air compressors delicately designed and developed over a period of over six months by Sullair for the Chinese market. The product offers simple structure, reliability, practicality, low noise and other features. The overall machine unit uses loading control, which simplified the control system and provides for spacious application and maintenance rooms. The launch of this series of products further enhanced the competitiveness of the Sullair products and offers excellent choice for the many customers.