... *50 Loading Capacity: 32T ISO/TS16949:2009 1.NameAir Suspension beam spring2.standardDIN, ASTM,JIS,BS,AS,ISO,GB,No truck ... truck and trailers and light vehicles.The raw material we use are SUP7,SUP9,SUP9A,SUP11,SUP11A.We can produce over ... , Mid-East, Euro, North-America, South-America and Africa. Air Beam spring for truck