Stainless steel Square manholes

Square manholes usually refer to square covers set in buildings, sewers, pipe systems, etc., for personnel to enter and exit for inspection or maintenance. This design is commonly found in urban infrastructure to facilitate maintenance and inspection work. The square manhole has the characteristics of stable structure, easy to open and close, and can withstand large weight and pressure.       In daily life, we can see square manhole covers in streets, parks, construction sites and other places. They are not only an important part of urban infrastructure, but also one of the key facilities to ensure the normal operation of the city.   Main production: sanitary grade square manhole stainless steel manhole cover