Shang hai Denair compressor Co.,Ltd. Company established from 2006.Adopting German's original air compressor end and original advanced production technology.we have our own factory and Lab and testing center. And sale our air compressors all over the word.our main products are :Coulping direct driven double screw air compressor,belt driven double screw air compressor and al kinds of air compressor ,air driver,oil remover,fiters,air storage tank and so on.