Rizhao Port Machinery Industry Co.,Ltd.（RPMIC），Cooperated with China Fishery Equipment Research Institute and other units to jointly develop and design a bottom-type offshore intelligent cage with 2 types of 10,000 square meters of water.
Unattended sitting bottom cage: The main scale is 30.0x26.0x32.0m, which adopts the base hexagonal steel structure and consists of a cylinder, an upper and lower ring, a mat, and an oblique support. The cage is a whole net space with 4cm mesh, and the material is Dyneema or alloy mesh. It is coated and protected, and has certain anti-sea biological functions. It is used for intelligent fish farming and leisure fishing and marine pasture environment. Monitoring and ecotourism.
Sit-up lifting culture cage: cooperate with Dimas to develop the bottom-lifting culture cage; the base of the cage is 18m in diameter, with fixed piles with a diameter of 2m and a height of 25m.