Folding Container Box Frame for DIY PreFab House

  
Steel foldable container frame (8x20). Comes in silver or black frame. Can insert 50mm panels for diy homes. Quantity of 3 or more only $8,000 per frame. Special shaped steel galvanized concave convex. Front and rear end girder. Cast steel butt joint corner fitting steel plate200mm100mm15mm. This item is made of aluminum.