Marine windows are made of aluminium, steel, brass or mixture of them used for sea-going ship and warship and also inland ship. There will be porthole window, rectangular window, trapezoidal window, sliding window, heated window. YSmarines is one of the leading manufactures in china for marine products and can supply a wide variety of marine windows with modest prices. All windows have the certificate of CCS, BV, ABS, DNV-GL, LR, KR, NK, etc. The windows are widely used for boats, houseboats and yachts, are custom built to meet the specific requirements of customers.