塑料浮球警戒线类:分为球型塑料浮体型号有:250mm/300mm/400mm/500mm/600mm/800mm(组合式)/305mm/381mm/457mm/600mm/1000mm被广泛用于水库警示,海上警示标志,河道指示,水深警示,养殖区域规划分,海上浴场围栏等等