composite manhole cover

1.composite 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 rolls2. 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-corrosion project, open ditch; it as well as can be made according to customers requirements.