... ISO 9001 OEM SERVICE Malleable Iron Pipe FittingsISO 9001OEM SERVICE1. Product Item: Malleable Iron Pipe Fittings(elbows, tees, sockets, ... British standard, American standard & DIN 3. Product Introduction Material: According with GB/T9440 malleable iron 4. Specification: Size ... be antirust treatment. 6. Product Usage: Suitable for joining pipe lines of team, gas, oil, air. Concentric Reducing Cocket ...