Manhole covers through continuous development for decades, overall performance is close to Shenyang ductile steel covers installation, is based on this excellent performance Shenyang ductile covers manufacturers, it has been successfully used to cast some of the bearing capacity of the complex, strength as well as toughness, wear resistance requirements are more parts. Taigu Chang foundry specializing in the production of ductile iron manhole covers and cast iron rainwater grate Shenyang ductile covers, welcome to order! Taigu Chang in foundry can do: 1, in order to prevent the contact surface Manhole covers and uneven, causing the car with impulse response, flexible cushion between the wells and wells box installation, fire impact sound. Or covers the well block the contact surface by mechanical processing facilities (only round products), with the smooth. 2, in order to prevent the covers installed outdoors was stolen, can be equipped with locks on covers, said locking means simultaneously, to form a complete anti-theft device. Shenyang ductile manhole cover picture, Chang-year foundry (certification), Shenyang ductile covers provided by the Taigu 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.