... Equipments: Certificates:1)FM & UL & CE & LPCB & VDS & ISO2)ANSI, ASTM,DIN,BS Usage:1)Automatic sprinkler system for fire protection ... water supplying ,gas supplying, heat supplying,etc2)Industrial pipeline system on shipping ,mine, oil field,textile,powder plant,etc. ... 3)Pipeline system on subway station ,railway station ,airport, seaport,bridge,etc ...