Truck Leaf spring Application: Bus,Truck , Annual Capacity: 60,000 MT, Workers: 500 Truck Leaf springApplication: Bus,Truck OEM with 7 ... factory Annual Capacity: 60,000 MT, Workers: 500+Trucktralier multi Leaf spring Mercedes benzWith 6 product ... SUP9A,SUP11,SUP11A.also carbon steelWe can produce over 40,000 tons per year with general capacity.More than 70% are ...