The specification of FRP RO vessels as bellow: The development of a complete line of 2.5”, 4”, and 8” 10“ 12“ FRP Pressure Vessels covering all major industry system and application requirements for seawater Reverse Osmosis desalt . •　　The successful development of a number of OEM products for UF, EDI, and emerging water treatment technologies •　Diameter : 100mm, 200mm, 240mm, 280mm, 290mm, Working pressure: From 1MPA TO 8.24MPA Burst pressure : 6 times of working pressure. Length : from 1500mm to 6900mm