manufacture of heavy duty river raft boat, FRP hull by myself, ce design category:C 3-5 days for sample white water heavy duty river raftCE DESIGN CATEGORY:CLENGTH380/430/450/550CM,WIDTH:224CM,MAX PERSON:4-10PERSON,AIR CHAMBER:5 MAX LOAD:1144KGS,MAX HP,MAX KW,BOAT TYPE:VIISTANDARD EQUIPMENT:FRONT,REAR SEAT,CONSOLE,FOOT PUMP,REPAIRING KITSFRP HULL IS WITH PLYWOOD KEEL,CABIN WITH FOAM MORE BUOYANCY ...