... -rolled steel plate stamping bending forming.3.For safe use of shelves, each column AD hoc braking mechanism, prevent squeezing ... 8 4335mm 800mm 9 8235mm Crank height 1000mm 10 9135mm Load-bearing of distance plate Book shelf Goods shelf 11 10035mm 60kg ... on coffers characterized rational distribution, a high degree of utilization of space. 2, The use of high-quality cold-rolled steel molding, surface ...