Nichimo NBW Trawl Doors are in a box-like, double-body structure and used for bottom, midwater and surface trawling.

Their unique three-dimensional structure provides a large surface area and superior self-righting quality.

Nichimo NBW Trawl Doors hold a large surface area due to their double-body structure. It allows fishermen to have doors of a larger surface area onboard.

Their door leg point and towing point are located at the center of the doors to provide superior self-righting quality. Even if they may tilt over in any direction, Nichimo NBW Trawl Doors promptly go back to their upright position on their own.