CO680 D400 ductile manhole cover anti-sink

Ductile manhole cover is made of ductile; we make the manhole cover on BS EN124, Mainly our products are A15, B125, C250 and D400, sometimes also make it E600 and F900 in case of need. For A15, B125, C250 and D400 ductile manhole covers to be used in Green belt, Pavement, Auxiliary road, Main road and Express way. We make ductile manhole covers all by producing line, the quality is very good, and we warmly welcome customers all over the world to do business with us.   This manhole cover is CO 650 D400, old style no hings, to be used in the Main road and Express way. You can change the style whatever you want, prints the word and your own LOGO on it, which it must be legal.