Manhole covers are an indispensable product in our life today, and manhole covers are needed in many places such as residential areas, roads and greening, but many people do not understand it well....
Bundle truck
All pipes must be attached to trucks and rolling stock to prevent and mitigate damage to paint and lining. The pipe can be equipped with a cart, pyramid, or straight side formation. DN...
After heat treatment, ductile iron fence caps should be used. Due to casting defects such as pores, cracks, holes and spiral porosity, coarse grains, uneven structure and residual stresses in the c...
It should be said that super-strong bearing capacity, various anti-corrosion treatments, water quality assurance, ductile iron pipe is one of the necessary materials for pipeline water supply. The ...
1. Different concepts
Machine-made cast iron pipes are flexible interfacial drainage cast iron pipes produced by centrifugal casting, and the interface is generally W-type...
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28 Jun,22
