circular fish cages for shallow seas

{"cid":"91223274","title":"30m 40m 50m Circumference HDPE Circular Fish Cage for Deep Sea Offshore Aquaculture Farming","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/a5\/8c7b25970bc6445805573b221687-200x200-1.jpg","attrs":{"Price":"1000","Minimum Order Quantity":"1","Certification":"CE, ISO9001:2008","Floating Pipe Diameter":"200-500 mm","Handrail Pipe Diameter":"90-160 mm","Stand Pipe Diameter":"110-125 mm","Bracket Hole Diameter":"200-500 mm","Bracket Distance":"2.0-2.5 m","Circular Cage Circumference":"30-150 m","Square Cage Dimensions":"5x5 to 20x20 m","Working Depth":"-6 to -50 m","Wind Resistance":">12 grade typhoon","Frame Lifespan":">15 years","Material Type":"Marine-grade HDPE","Material Properties":"High strength, high toughness","Production Capacity":"500 sets\/month","Power Source":"Hydraulic","Working Method":"Friction Type"}}