Long service life: through the use of high performance resin, glass fiber and special production process formula, to ensure the running-in of the resin in glass fiber, greatly enhance thee adhesion between the two, so that the material under the action of cyclic loading, not internal damage occurs, which guarantees the service life of the product and the same superiority of other resin composite manhole covers. Eliminate the disadvantages of poor adhesion.
Easy installation and beautiful appearance: the weight of manhole cover is only a third of cast iron in same specification, it is convenient to installation and checking. Also we can produce manhole cover with different specification and color. It is beautify and you can easy to manage too.
Environmental protection, non-slip, low noise: This product does not slip, no harsh noise and anti-interference phenomenon after the car is rolled. At the same time, due to the light weight of the product and the tight closure of the cover and seat, it overcomes the problems of "jumping, rocking, ringing, and shifting" of other inspection manhole covers.
Manhole cover have big market in different industry. Not only pursues high quality continuously, but also focuses on unique design and environmental protection. Strictly in accordance with BS EN124 and have obtained various kinds of certificates. Till now, our competitive products not only have good market in domestic, but also owned a large overseas market with a high reputation.