Gu Chang foundry five-year anti-ductile iron covers: 1, anti-theft: the role of security covers the installation must be tamper, to maintain good covers, it is necessary to solve the "Manhole covers and lock into one" problem, it is best covers the design requires the use of special tools to open and open the way to open the covers. 2, rust dead: security covers installation, pay attention to maintenance, to prevent rust. 3, anti-sawing: After installing the covers exposed parts that can not be easily damaged, the exposed part of the destruction of the time, covers the firmness will be reduced. 4, anti-cracking: To install the covers will not crack Taigu ductile covers manufacturers in the harsh conditions of high or low temperatures, high frost resistance, impact resistance. 5, tamper-drilling, anti jump, noise canceling sound: For Manhole covers and tight junctions, pry various drilling tools can not start, because the covers more to prevent loosening due to jump, loud noise and other problems hinder public life . Gu Chang-year foundry Address: Taigu County, State Road 108 towns Hu Dong Village Crossing Taigu ductile covers factory, specializing in the production of ductile iron manhole covers, welcome to order! To ensure the covers, the normal use of water grate Taigu ductile covers customization, please pay attention to the work of installation quality ductile iron manhole covers, so that the size of preparation, installation rugged, easy to open, the United States Jie Gu ductile beautiful covers, specially formulated following installation conditions: 1, brick or concrete foundation covers water grate shall be covers, water grate size to determine its inner diameter or length X width. 2, when the cement pavement installed on the wellhead with brickwork C25 concrete pouring thick 20CM and 40CM perimeter pouring concrete protection radius circle, maintenance 10 days. 3, when the asphalt pavement installation, must be taken to avoid direct construction machinery rolling seat covers well. Gu Chang foundry located in Shanxi Province, Taigu County towns Hu Dong village crossing State Road 108. Gu Gu ductile covers ductile covers manufacturers _ _ 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!