... SUP9A, SUP10, SUP11 and SUP11A Z Type Leaf Spring I. Our main section size list for LEAF SPRING:SECTION SIZE44.5x670×780×12100×1244. ... 2006, we are certified to the ISO/TS16949 international system. 2). 100,000 tons of yearly output For ... products for trailer, truck & busBesides LEAF SPRING, we also supply LEAF SPRING material, wheel rim, air suspension, landing gear, turntable, axle even complete ...