Product features:
1. Material: stainless steel( window frame), stainless steel (glass holder and fastener), stainless steel (deadlight), material code 222
2. Style: hinged type, water tight, gas tight, fireproof
3. With clear glass
4. Used for sea-going ship and warships also could used for inland ship
5. Main types: heavy type, medium type and light type
6. CCS, ABS, BV, DNV certificates is available