... 1.Certificate:ISO9001:2000 2.low and high pressure 3.High quality 4.PU,PA,steel wire ,fiber low and high pressure industrial hose for air water ... as hydraulic pressure , pneumatic ,mortar conveying ,light industry ,water consrvancy and so on . 1,Pure Pu hose2,Pure PA hose3,Steel wire or ... fiber reinforced PU hose4,Steel wire or ...