... 2). 100,000 tons of yearly output For common trailer springs, We can finish the production/peening/painting/packing ... to clients' interest at heart. 5). Diversified products for trailer, truck & busBesides LEAF SPRING, we also supply LEAF ... turntable, axle even complete semi-trailer. Our company, WONDEE group, is the biggest private-stated trailer components manufacturer & exporter in Fujian province ...