We produce high quality leaf spring,parabolic spring ,stabilizer bar for the bus ,truck and trailer suspension. We can produce according to customer's drawings or OEM numbers. Currently we offer leaf springs to Europe, North America, Australia.
Quality Manager System: ISO 9001:2008 ISO/TS 16949:200
Production process and requirements .
Material Specification SUP6 ,SUP7,SUP8,SUP9,SUP10 orAccording to customer's requirements. Material incoming Chemical Composition test Mechanical Performance test Material cuting Cutting machine straightening Straightening machine Drilling Holes Drilling machine Volume ear Automatic volume ear machine Parabolic machining Automatic parabolic leaf spring rolling mill quenching Heating treatment production line tempering Heating treatment production line Hardness test 100% test Shot blasting Shot blasting machine Assembly Leaf spring assemble line Pre- compression Pre-compression machine Coating Spray painting line Testing Magnetic particle inspection , Dimension inspection, Performance test machine, Package on the pallets.