channel marker buoy

Hệ thống DGPS Hệ thống dẫn đường biển Polyethylene chống va chạm với tuổi thọ dài

EVA Polyethylene Navigation Beacon Polyurethane Marine Navigation Aid Navigation Aid Introduction Aids to navigation is also called navigation mark, fairway buoy, navigational aid, set in navigable waters or around to mark the position of navigation channel, anchorage ground, dangerous shoal as well as other obstructions, to show the water depth, wind speed. Navigation Aid Product Feature A. Highly Environmental Protection 1. The color of floating body is imported from