Custom Size HDPE Fish Cage, Aquaculture Net Cage with Netting & Anchoring System Heavy-duty HDPE frame, great load capacity. Ideal for large-scale commercial tilapia, barramundi farming. 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 manufacturing industry base,