EN124 CLASS B125, D400 MANHOLE COVER MATERIAL:DUCTILE IRON 500-7 EN124 DUCTILE IRON MANHOLE COVER, CLASS B125, D400, E600, F900.MATERIAL: DUCTILE IRON 500-7, CAST IRON HT250SEAL: SINGLE SEAL, DOUBLE SEAL,TAWIL-Taiyuan Water Industrial Co.,Ltdtel:0086 351 7239569fax:0086 351 7233885Sincerely look forward to your support and co-operation! DUCTILE IRON MANHOLE COVER