RO systems purchasing request Iraq

Required materials for RO system: 1- change all pipes / tubes with Stainless steel S.S 304 or 316 we need 65 meters size 1/2 inch and 1 inch with 8 valves 2- two carbon filters. 3- two multi filters. 4-two tanks with filter for air ventilation and with level measurement of water size 3000 liters. 5- change the stand of RO system to S.S 304. 6- change the pressure gauges of RO System we need 6 gauges. 7- fix the S.S pipes by using Argon. 8- tel us about the time required to compete this job and price