The main application areas Gu Chang annual production of ductile iron foundry covers: the municipal roads, highways circular ductile covers custom, communications, electricity, water, community, school, and other parks. I plant was built in 2006, continuous efforts since the plant grow, is to become a professional production of various ductile iron manhole covers business, the annual production capacity of 5,000 tons, with an annual output of 10,000 tons is being expanded. Address: Taigu County, State Road 108 towns Hu Dong village crossing. Rusty manhole covers how should I do? Gu Chang-year foundry to your Weapon: spray rust: is the use of oil-water separator treated by compressed air from the abrasive high-speed spray nozzle, the compressed air pressure is generally circular Zhang 4-0.6MPa ductile covers, use High-speed mushroom material and ductile iron covers with a pressure of friction and shock on contact to remove scale and rust. This method does not need a fixed location, high efficiency circular ductile covers wholesale, injection point flexibility, no dead ends, in addition to good quality pound, while the ductile iron covers the surface to obtain a certain roughness to facilitate attachment of the film, the general This method should be adopted. Ductile cast manhole covers round _ Chang in foundry (certified) _ Yuncheng round ductile covers provided by Gu Chang in foundry. Gu Chang-year foundry (www.sxcnzz.com) is Jinzhong, machining leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chang-year leadership in the foundry staff warmly welcome all inquiries negotiations to create Chang foundry in a better future.