Taigu Chang foundry in the new five-year anti manhole covers design uses a new design concept Shanxi cast iron manhole covers, so that the vehicle through the manhole covers, covers not hit, but the first hit at the edge of Manhole, Shanxi prevent subsidence covers the whole cast iron covers customized, effective solution to the city's wells around the "bad side" problem. Taigu County Chang Inoue is located in the hometown of foundry - gold Taigu treasure. 108 State Road, Taigu, Jinzhong City, Shanxi Province, Hu village Magang industrial park, east of long high-speed, high-speed north Tongyu Qi convenient transportation and accessible. Wholesale ductile cast iron covers factory covers Shanxi, to find Taigu chang years! Taigu Chang in foundry share with you Why are manhole covers round. The maximum material utilization and conservation. If the wellhead made significantly smaller than the square and covers, rolling covers would not fall into the well. Here involves a material saving issues. Covers are used depending on the size of the wellhead, If you have to press a surface area above the wellhead is much larger than a square manhole cover, then use the material and practical nature does not directly use the circular covers more efficient, which saves material covers also to ensure the safety of the wellhead. Shanxi cast iron covers machining _ Chang in foundry (Certified) _ Taigu Shanxi cast iron covers are provided by Chang in foundry. Taigu Chang in foundry (www.sxcnzz.com) is Jinzhong, machining leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Chang in foundry leadership with the staff warmly welcome all inquiries negotiations to create Chang foundry in a better future.