we are the leading manufactures of leaf spring for truck, trailer and all tpye automobileWe produce a full range of multi-leaf springs, parabolic leaf springs and Z-type leaf springs. They are widely use to heavy-duty trucks/trailers/agriculture autos and light vehicles. Our springs sell well in most countries and regions all over the world, like the Middle East, the Netherlands, France, Brazil, America, and South Africa. The raw materials we use include SUP7, SUP9, SUP9A, SUP11, SUP11A and 50CrV. Our annual production ability of leaf springs is 12 thousand tons. Moreover, our products have attained ISO9000 Certification