... Detailed Product Description Hengda screw air compressor are using American technology ... life are the principal characteristics of Hengda screw air compressor.Hengda can provide all users follow types ... 1, belt drive air compressor 2, direct drive air compressor 3, with or without air receiver 4, special ... 1, air compressor power: 5.5kw--375kw 2, air compressor pressure: 0.7--1.25 mpa 3, free air delivery ...