We manufacture manhole cover: ductile iron and grey iron.

1)ductile iron: QT400/18, QT450/10, QT500/7, QT600/3, QT700/2

grey iron: HT150, HT200, HT250, HT300, HT350

2)loading weight of pressure: A15, B125, C250, D400, E600, F900

3)certification of qulity: ISO9001: 2000

4)main market: Middle East, Africa, Europe, South Korea

5)other correlative products: cast iron grating, floor drain, pipe fitting, fastener and so on.

6)service: we can meet your mind according to your requiremet. You can give me your drawing and requirement.