Article List

• China Shaoxing Electric Power Manhole Cover

  In 2015, the five-proof manhole cover jointly developed by Jinmeng and Shaoxing Power was granted a utility model patent. Jinmeng manhole cover have anti-theft, anti-skid, anti-noise, anti-displacement and anti-falling properties.

  Project September 07, 2020
• Why choose composite material for manhole cover?

  The composite material is a new type of material that is composed of several types of different materials, such as organic polymers, inorganic non-metals or metals, through a composite process. It can not only retain the main characteristics of the original composition material, and obtain the performance that the original composition does not have through the compound effect. The performance of each component can be complemented and related to each other through design, so as to obtain new superior performance, which is essentially different from the simple mixing of general materials.

  Knowledge January 05, 2021
• How to Profit from Imported Manhole Covers from China？

  You should know the types and quantities of imported products, where these manhole covers are more often used, and your targeted clients. If for high traffic areas: heavy-duty manhole covers, high delivery costs. For pavements, gardens, etc.: light manhole covers.

  Knowledge September 18, 2021
• Quality Products That Contribute to A Stable And Safe Public Space

  Recently, Anhui province has creatively incorporated manhole cover information into the city's physical inspection indicators, advocating special manhole cover governance action to comprehensively investigate and eliminate the safety hazards of manhole covers; gradually replacing manhole covers tha

  Knowledge August 19, 2021
• How to Prevent Manhole Accidents and Safeguard Your Life and Health

  A piece of heartbreaking news: A man died while saving his pet dog that accidentally fell into a 3-meter-deep sewer hole (alternatively manhole).Why did the dog fall into the sewer hole? Mr. Liu (the district manager) says:” there used to be a cover on this sewage well inside the green bushes but so

  Knowledge July 29, 2021
• The Detailed Introductions of Sprinkler Valve Box

  What is the Sprinkler Valve Box?

  Knowledge June 28, 2021
• How to install and replace the water meter box?

  What is a water meter box?A water meter box is a plastic box specially used for underground water pipes, gas and other line valves to facilitate the inspection, opening, closing, replacement and other settings of these valves. It can be used for regular inspection, cleaning and dredging of pipelines

  Knowledge March 31, 2021
• The best road drainage solution for different facilities

  The installation of the manhole cover should appropriately select the sewer manhole cover and manhole cover level according to different installation locations. Various installation locations can be divided into the following types of different regional levels. It is the designer's responsibility to select the appropriate manhole cover level.

  Knowledge January 15, 2021
• Advantages of composite assembly manhole chamber

  Composite manholes have lower maintenance costs, smooth surfaces, and easier flushing of prefabricated manholes. It is more resistant and stable to various chemicals caused by sewage or soil. Non-conductive, anti-corrosion, stronger toughness. The sealing is better, and the facilities in the manhole room are more protective.

  Knowledge February 04, 2021
• Airtight Inspection Cover

  The airtight manhole cover has a good sealing effect and has a built-in sealing ring. It is one of the commonly used manhole cover choices in communications, power, and other industries. Common ones are rectangle, circle, or square. The air-tight manhole cover is better fixed, not easy to loosen, and not easy to crush. An inner manhole cover can be set under the manhole cover to prevent personnel from falling into the "double insurance". The airplane door design is adopted, the inner edge of the frame has a certain slope, the outer edge of the manhole cover is parallel to it, and the manhole cover is covered, directly embedded, and will not move randomly, and sufficient clearance is reserved for the rubber ring to seal impermeable. The built-in sealing strip is made of rubber, which not only has airtightness but also reduces the noise when the car passing.

  Knowledge January 30, 2021