Sell ductile iron manhole cover

详情

Sanitary Casting Manhole Cover in ductile iron& grey iron as per EN**4, ISO***1:***0 standards.Class B**5, C**0,D**0,E**0,F**0.
 
APLICATION
 

1. city planning, communications, electric power supply, water supply, drainage, plaza, school and the web establishment;
2. residence district, rounteway, park, pedal cyclist, footway

1. environmental protection
2. saving mine resource
3. longevity
4. competitive price
5. anti-theft
6. low noise
7. excellent water resistance, outstanding ability for freezing-thawing resistance