... by a steel pipe with diameter of 114 mm, wall thickness of 2.0 mm, quality and technical standard ... iron part is made of a steel pipe with diameter of 60 mm, 48mm, 38mm, 32mm, 28mm, wall thickness ... the South Korea Samsung Corporation. With a wall thickness of above 6 mm, the plastic parts of bright ... ropes, which is 14 mm or 16 mm in diameter. The knots are mated with round aluminium alloy fasteners. ...