... quality control 4.Special design for your requirement Details:Heavy duty storage rack is taken as a suitable and economical storage solution ... Capacity & Dimension: Loading capacity: 500-8,000 kgs UDL/beam level.Height: 2,100-9,900mmDepth: 700-1,400mmLength: 1 ... you,please contact me,the correct type rack will be choose for you!skype:nicolejiang11'\ Heavy duty storage rack(large storage capacity)