China Marine Weathertight Door Stainless Steel Dog Lock: The dog lock is used on the marine weathertight door CB/T3477 or hatch cover.
China A60 Fireproof Door: Standard: CB3234-84
Marine Single-Leaf Aluminum Weathertight Door Drawing China Marine Single-Leaf Aluminum Weathertight Door: Standard: CB/T454-97
China B15 Steel Fireproof Door: Standard: CB3234-84
China Marine Steel Quick Acting Watertight Door: Standard: GB/T3477-1996 for reference
China Marine Aluminum Quick Acting Watertight Door: Standard: CB/T3477-96 & CB/T454-1997 for reference
China Marine Steel Quick Acting Weathertight Door with Single Lever: Standard:GB/T3477-1996 for reference
China Marine Aluminum Quick Acting Weathertight Door with Single Lever: Standard: GB/T3477-96 &CB/T454-97 for reference.
China Wire Mesh Door: Standard: CB452-81 It is used as the door for working cabin or used with weathertight door.