Memory Card20 Years of China Factory Great Brand 8-30bar Oil Less Industrial Water Lubricated Direct Drive VSD Rotary Screw Silent Air Compressor 7.5kw 11kw 15kw 30kw, Find details about China Oilless Air Compressors, Oil Free Air Compressor from 20 Years of China Factory Great Brand 8-30bar Oil Less Industrial Water Lubricated Direct Drive VSD Rotary Screw Silent Air Compressor 7.5kw 11kw 15kw 30kw