... standards of EN11763) Iron part:galvanised steel pipe with diameter of 60 mm, 48mm, 38mm, 32mm, ... the corners are round and smooth. All screws, with cup heads or T heads, are made of stainless ... rotational moulding imported from the South Korea. With a wall thickness of above 6 mm, ... 16 mm in diameter. The knots are mated with round aluminium alloy fasteners3. production technology: rotational moulding ...