Gray iron manhole covers

Specifications

Gray iron manhole covers

1. Put damage

This is the biggest characteristic of ductile iron manhole covers, ductile iron manhole covers can be heavy pressure 36T/60T, light can be confined 21T. Even if the load pressure exceeds its limit, ductile iron manhole cover cast iron manhole cover is not as common as broken, but a slight deformation of the car and pedestrians has a certain security.

2. Anti-shock

Only through the mouth of the Manhole set to U-shaped, with a T-type synthetic rubber, U-shaped slot embedded in the contact Manhole covers and the process in order to cushion and reduce the vibration force.

3. Anti-slip

3mm tread covers convex surface, and thus play a good non-slip effect.

4. Anti-impact

Manhole covers the contact with the colossal surface, directly on the T-rubber, and dealt with gently, to eliminate noise.

Grey cast iron manhole covers

Changxing Hongying Building Materials Co., Ltd. was established on 2006, founded from the expansion of East Plum Building Materials Factory. Our company is located in Changxing County, Huzhou City, Zhejiang Province. We has been specialized in producing all kinds of manhole cover for over twenty years, covering an area of thirty thousand square meters.

Our company has been happy to work, dedicated service for the purpose, followed by the quality of routes   flying in the sky of manhole cover.

With ISO9001: 2000 standard certification, the company established a more perfect quality management system, customer focus, the whole production process of a comprehensive quality control.
Our company's machinery and equipment maintenance and maintenance should be carried out every week to ensure that each device are in good state, the product of each process are under control, to ensure qualified products factory.

Certificated with ISO9001,EN124,quality of our products can be assured .

Our packing is export standard wooden pallet wooden pallet, can be suitable for shipping.

Our products  go through each product's quality supervision departments of the study, only  through test,then leave the factory to ensure product quality, to ensure that the interests of customers.