... drawings The attached sand casting bollard is one of marine bollard. Of course, we can do other type bollards as per buyer's ... our professional staff.We specialize in metal casting of aluminum, bronze, copper, iron, steel and other metals, in a wide ... ANSI, BS, DIN, JIS & etc.Material:Aluminium, Brass, Carbon steel, Stainless steel, Alloy metal & etc. Equipment:CNC lathe, processing center, miller, ...