... We are manufacturer and exporter of manhole covers, gratings, road pole,and other ductile iron and gray iron products.Our foundry was eatablished ... areas.We have got the ISO9001:2000 certificate,and our products meet the standards:EN124,EN1433,OEM service also ... years of experiences,quality well controled and products well desiagn,we will give you qualified products with best service. Any inquiry pls ...