Knowledge

• 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
• What an interesting manhole cover！

  This type of manhole cover is very creative, and it can be described as "not only practical but also beautiful". It gives people a beautiful visual enjoyment and gives the manhole cover a certain cultural connotation. At the same time, this kind of manhole cover has the functions of anti-theft, anti-skid, anti-settling, anti-noise, anti-bouncing, anti-falling, etc., not only can effectively solve the drainage safety problem but also To a certain extent, ensure the safety of road traffic in the area.

  Knowledge November 27, 2020
• Drainage system installation

  In daily life, communities with teeth and sidewalks usually install gully grating to meet the needs of pavement drainage on rainy days. However, after a period of time, dust, fallen leaves and some man-made garbage on the road will enter the sewer or channel through the drain of the gutter cover. Many garbage will affect sewage treatment and even cause water pollution; over time, it will not last for a long time. The cleaned gully will be blocked, which will make it impossible to drain on rainy days, resulting in water in the road area; the size of the drainage port of the gutter cover is often easy to become a habitat for rats and other pests, causing rodent infestation and other problems. At the same time, the commonly used ditch cover is non-slip and easy to slip when stepped on it on rainy days.

  Knowledge December 28, 2020