... gas, ship building, chemical, environmental protection, boiler, water conservancy, electrical industry, steel structure, building and other ... for low pressure liquid delivery, such as water, gas, and oil.piling, etc.ProcessSprial ... project48inch/SAWHAPI 5L PSL2/GRADE X6514520MT2008-2009BruneiBrunei Drink Water Pipeline20,24,30inch/SAWHEN10217/S275800MT2011VietnamVietnam Bridge Project600x12mmx12m ...