1. the Performance on anti-storm:can resist typhoon at 12 level, billow at 5 meter-high. Its capacity gets to 75 percents when the velocity of flow is at 1m per second.
2. usage lifespan:The structure of the net-cage can be used more than 10 years for the whole structure has no metal accessories, needing no mend. The net-clothes can be used in 2 or 3 years.
3. net-exchanging technic:The net can be exchanged manually and easily. The time of net-exchange is more than 6 months because of the excellent anti-dirty dope.
4. sea-area's setting:Can be set at the the half-opened sea-area where its isobath is about below 20M.