NEWS

• 

  What are the advantages of cast iron manhole covers over other manhole covers?

  Cement well cover, which was originally used more, is mostly used in residential areas and less obvious occasions. The cement well cover has obvious advantages, low cost, active anti-theft and is not easy to lose. Moreover, the cement well cover is generally thick and anti-theft. The disadvantage...

  Read more

• 

  Nodular cast iron manhole cover loading and delivery

  Nodular cast iron manhole cover loading and delivery

  Read more

• 

  Manufacturing details of nodular cast iron manhole cover

  Nodular cast iron manhole cover is the most widely used metal nodular cast iron manhole cover in more and more mechanical equipment. However, different quality nodular cast iron well covers will have different results when used, which we must face up to. We can root out many factors affecting the...

  Read more

• 

  Production and inspection of cast iron manhole cover

  The production technology of cast iron well cover is mature and easy to place. The well cover of any specification only needs to drill two holes as required to be equipped with the anti-theft device. If the well cover is newly made, two holes shall be reserved as required during casting, and the ...

  Read more

• 

  Introduction to anti slip method of manhole cover

  Although the well cover is the regional comparison form of pavement coverage, it also needs to ensure the safe passage of pedestrians. Therefore, anti-skid treatment needs to be carried out in the production process to ensure the safety factor of the road. Anti skid measures are also different fo...

  Read more

• 

  How powerful is the cast iron manhole cover

  At present, many cast iron well covers used on the road are ductile iron well covers, and the ductile iron well cover has good toughness, which is 10 times higher than gray iron material, so it is widely used as one of the choices of well cover medium. In terms of price, it is also the cost, the ...

  Read more

• 

  Advantages of high temperature forming process of well cover

  Composite well cover is one of the popular well cover products in recent years. Different from the traditional cast iron manhole cover, it adopts high-temperature forming process because it is made of composite materials. So what are the advantages of high temperature forming process of composite...

  Read more

• 

  What does the pattern on the manhole cover represent?

  Well covers have become city cards. It starts from solving practical details, becomes an art because of exquisite workmanship, and finally becomes a special culture. In almost every city in Japan, you can see colorful sewers with animals, scenery, historical stories or urban characteristics, full...

  Read more

• 

  What are the anti-theft performance of nodular cast iron manhole cover

  The classification standard of nodular cast iron manhole covers is because the steel is recyclable at first, and the quality of steel is very heavy. For recycled materials, people have to weigh the weight of price conversion. Therefore, it is very important for the anti-theft work of urban road m...

  Read more

• 

  Why should ductile iron manhole covers be installed on the highway?

  Nodular cast iron manhole cover is an upgraded version of ordinary cast iron manhole cover. Now, nodular cast iron manhole cover will be used on major highways, national highways and urban roads, which can be regarded as upgrading from cement manhole cover to cast iron manhole cover, and then upg...

  Read more

• 

  Technical requirements for manhole cover

  Well covers are used to cover roads or deep wells in homes to prevent people or objects from falling. According to the material, it can be divided into metal, high-strength fiber, cement concrete, resin, etc. Generally, circular is used. It can be used in green belts, sidewalks, motorways, docks,...

  Read more

• 

  Cold mechanical pressing technology of well cover

  Cold pressing process is a process method in the production process of well cover. What are the characteristics of this process method in the production process? Today, let's learn about the characteristics of well cover cold extrusion technology. This cold extrusion technology department refe...

  Read more