Square Fish Cage for Tilapia or Grouper in Lake Nanfengwang HDPE fish cages offer superior durability and performance for lake fish farming operations. Engineered with marine-grade HDPE piping, these cages provide exceptional resistance to environmental factors while maximizing fish survival rates. Key Features Versatile Deployment: Suitable for water depths ranging from 6m to 50m Exceptional Durability: Withstands 12-grade typhoons, 7m waves, and currents up to 1.2m/s