Shanghai Denair(group)CO,.Ltd. is a Sino-German joint venture enterprise group integrating R&D,manufacturing and marketing.The company brought in advanced compressor R&D and manufacturing and marketing.The company brought in advanced compressor R&D and manufacturing technology of Germany Denair Group to make product development and large-scale production,including piston air compressors,double screw air compressors,Diesel Portable Air compressors,High and Medium Pressure Air Compressors,Oil-free Air Compressors and compressed air treatment equipment.