Aluminium manifold 1 More than 20 years experience 2 OEM service ... castings, forgings and machined parts. Grey Iron Castings: DIN 1691-85 GG15, GG20, GG25, GG30, GG35 Ductile Iron Castings: ASTM A536 ... Castings, Die Castings Please contact us to get more information. Aluminium manifold