Name:850*850 Ductile iron manhole cover

Material:ductile iron

Specification:850*850

Packing:wooden pallet

The application of a wide range of products, available in the city construction in the tap water, municipal sewage pipeline inspection well manhole, heating, gas, postal, telecommunications, communications cable conduit well, well, well, street lamp electricity pipeline fire well, all kinds of valve well, anti-corrosion engineering, minggou sheets, and according to the special needs of users for manufacturing.