Heavy duty hot dipped galvanized box trailer Hot dipped galvanized utility trailer tandem box trailers Steel cage trailer Heavy duty hot dipped galvanized box trailer Manufacture different types or sizes of cage trailer according to customers' requests. trailer box size to be 6x4, 7x4, 8x5, 9x5 or 10x5 ft or any others. Surface can be hot dipped galvanized, electro plated, powder coated or ...