casting manhole cover

1.ductile iron manhole coversfeature: (1)Environmental protection: non-toxicity raw material (2) Longevity: anti-corrosion, anti-rust, anti-abrasion, excellent anti-pressure capability; (3) Competitive price: lower than stipulated standard cast iron one (4) Light weight: 1/3 lighter than cast iron ones (5) Nice appearance: rich colors available, whole material dying for long lasting (6) Anti-theft: Non-recycle, anti-theft naturally (7) Low noise: Harsh noise and rebounding free when car rolls 2. Applications (1) Electric power pipeline well; post, telecommunication, communication pipeline well; (2) Street lamp well, fire control well, all kinds of valve wells; (3) City water, drainage pipeline well; heat supplied, gas well; (4) As cover board for anti 3. Guatantee (1) YDT Foundry will replace any heavy duty castings that have been properly installed and broken in normal use (2) Different accessories are available,more informationupon receipt of your enquiry. If you are interested in our products,please do not hesitate to contact with us.Our high quality and competitive price will give you every satisfation.And you will get our quick reply.