... various accessory:as per buyer's requirement The steel hatch cover is design and produce as per buyer ... 's requirement. We can provide different type hatch cover and other marine hardware according your drawings ... BS, DIN, JIS & etc.Material:Aluminium, Brass, Carbon steel, Stainless steel, Alloy metal & etc. Equipment:CNC lathe, processing center ... -82778368Attn:Mr. Alex/ Ms. Sophia steel hatch cover