We,Permanent magnetic frequency conversion screw air compressor (Tianjin) Co., Ltd, are a professional screw air compressor manufacturer and exporter from China more than 60 years . We have the same legal representative and shareholders with Tianjin City air compressor CO.,LTD, which was founded in 1957 years. And the brand is "GREAT". Our products include screw air compressor, air dryer and air filtration products etc. Our screw air compressor adopts the most advanced German IG screw air end and the world most famous parts,UK APD filters, UK AMOT temperature controller,SCHNEIDER electric parts and etc., high grade quliity, good working performance, running reliable and long use life.GREAT is committed to serving worldwide customers with air compressor products and compressed air solutions.we already passed ISO9001-2008 and CE.Great is a trustable brand.We can provide you with first class products,first class quality and fist class service. Warmly welcome the customers (distributor ,agent and end users) of all over the world to inquiry. You give us one trust, we will give you the best future and bright sky!