Freshwater Fish Cage, HDPE Floating Net Cage for Lake & Reservoir Aquaculture Corrosion resistant, no rust. Good performance in freshwater lake and reservoir. Different pipe specs: 250mm /315mm for choice. Comapny Introduction: We are the biggest manufacturer of HDPE fish cages in China, cooperate with the East China Sea Fisheries Research Institute, as the Chinese Academy of Sciences anti-wave cage manufacturing industry base.Also as Sun Yat-sen Mariner equipment manufacturi