Gu Chang-year foundry ductile iron covers range of applications: Water covers on the road, municipal wells, water wells, covers telecommunications, China Unicom, mobile covers three anti Which covers, thermal covers, street manhole covers, fire, valves and even stormwater drainage grate are ductile material that QT500-7 ductile iron material, so that the product has a strong compressive, flexural, impact, heat, cold, abrasion, acid and alkali resistance, aging and difficult to deformation characteristics. Welcome to buy our ductile iron covers! Address: Taigu County, State Road 108 towns Hu Dong village crossing. Ductile ductile iron manhole cover is a product of, ductile spherical graphite obtained through ball and bred handling, effectively improving the mechanical properties of cast iron manhole covers three defenses, especially to improve the ductility and toughness, resulting in higher than carbon steel strength. Ductile iron is the 1950s developed a high-strength cast iron materials, its overall performance is close to steel, is based on its excellent performance, has been successfully used to cast some three anti-stress complex covers wholesale, strength , toughness, high wear resistance requirements parts. Shanxi Taigu County Chang foundry is located in the hometown Inoue - Kim Gu treasure. Taigu Shanxi Jinzhong City, State Road 108, Hu village malleable Industrial Park, east of long high-speed, high-speed transportation Northern Qi Tongyu convenient and accessible. Ductile iron manhole covers three anti | Luliang three anti covers | Chang in foundry provided by Gu Chang in foundry. Gu Chang-year foundry (www.sxcnzz.com) strong, credible, in Jinzhong machining industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chang and you work in the foundry into the brilliant, for a better future!