Zhengzhou Kaishan Mechanical Electrical Equipment Co.& Ltd. is mainly engaged in exporting air compressors to more than 60 countries and regions around the world.br and air compressors with the pressure range from 0.3MPa to 4.0MPa can be provided too. And the power range of screw air compressor is 7.5kW-630kW. Driven by electric motor or diesel engine screw compressor, energy-saving screw compressor and two-stage compression screw compressor are supplied with good quality and cooperated prices.br