Gu Chang-year foundry share with you the kind of rain grate: (1) Depending on the material produced rain grate, grate into a hot-dip zinc rain rain rain covers Grate specifications, such as stainless steel grate rain. (2) According to the rain grate shape can be divided into: general type rain grate, U-shaped grate rain, rain grate tube and can open type rain grate. Rain tree grate grate the use of knowledge: a tree grate safe long-term use requires regular care and maintenance rain covers, especially for the first installation of the product, but requires careful management, not only to protect the future effect of the product, and more for long-term use has played a certain effect. 2. Grate tree bearing surfaces should produce smooth, without cracks and the impact of tree grate performance of cold traps, shrinkage defects such as municipal water wells, not welding. 3, tree grate styles varied, depending on the design for selection. Tree grate carrying capacity not less than 140KN. 4. Grate the Manhole can pin tied, flip angle of not less than its antiseptic practices Grate 120 ° grate and Manhole for: asphalt varnish again. Tree grate after installation to confirm what the foundation is not solid road rain covers, if not solid foundation you need to reinforce it, right sprinkle some salt and cement paste and composite tree grate more firmly around, so easy to fall off. Rain covers quote _ Chang in foundry (certified) _ Shuozhou rain covers are 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.