HOT DIP GALVANIZED DUCTILE IRON MANHOLE COVER
1) standard: EN124
2) material: ductile iron,
3) type:round / square/ triangle
4) producing: sand casting
5) class: A15 B125 C250 D400 E600 F900
6) shape: round/rectangle or asper your requirements
7) color: black/ grey or asper your requirements
8) size: according to your requirements
9) service: OEM