gantry structural steel with 10 tons crane in 102mx24mx12m.;roof / wall caldding in single ... ;PVC windows gantry structural steel with 10 tons crane MOQ is 300m2, width X length X eave height ... bracing made from angle, round pipe, etc 6. C or z purlin,Size from C120~C320, Z100~Z2008. ... . Earthquake load or Grade if have 5. Crane (if have)Crane span, crane lift height, max lift capacity, max wheel ...