1) Brand name of trailer 2) 3 axle of 13 ton and 16 ton each with 8 hub bolts and 10 hub bolt respectively 3) ready to lock boots of 2x20 ft container and 1x 40 ft container 4) to specify steel grade of members , sizes of members , model of braking units , dimension of the trailer ( LxWxH). L= 40 ft plus ( It is better 38ft and 2 ft plus of two main frame to put disassembled frames of 2 sets of trailers in one 40ft open top container  W= 2500mm H= to confirm 5) Brand name of leaf spring and total pieces at each bundle 6) detailed photos