Changsha Joinfly Mechanical and Electrical Equipment Manufacture CO., LTD. Is a high-tech enterprise with the technology background from hydraulic and control technique institute that is a subordinate unit of Central South University. Since the establishment, it is always ingaged in the research and development of hydraulic hose crimpinf machine and it?s series products.  Over the years, we have won 1 Nation Invention Award, 10 Technology Progress Awards and 4 national patents.  As the creator of national sector standard of hose crimping machines, Chanfsha Joinfly started from domestic leading level and take aim at international advanced stage.  And now our products have been sold well in domestic market and all over the world.