Ductile iron manhole round covers (abbreviated as DI or DF) is a kind of cast iron material. Its carbon exists in the form of spherical graphite, hence its name....
Ductile iron manhole round covers, usually referring to the cover plates made of glass fiber reinforced plastic (FRP) or other synthetic resin materials, are widely used in many industries, such as drainage systems, walkways, parks, etc....
Secondly manhole cover can also play the role of beautification of the city, the pattern and style of well cover are various. He is the embodiment of a city face....
With the arrival of the rainy season, covers more and more into our field of vision, and prevent subsidence covers application of this product is also more and more....
Botou City Wangwu Town Tianlong Casting Factory mainly engages in production of EN124 standard series products and gray cast ion and nodular cast iron products, including thousands of varieties such as A15, B125, C250, D400, E600 and F900 trench well lids and trench dandruff combs included in the EN124 standard series products.