Rain grate features: rain grate simple construction, light weight, carrying, impact, rather bend do not break, displacement of large, hot-dip galvanized after treatment beautiful and durable drainage grate manufacturers, corrosion, with cast iron grate not like advantages. Using a hinge connecting link or the use of hooks, etc., easy to open, and with anti-theft feature. Wholesale, custom rain grate, went to Gu Chang in foundry! Gullies are generally flat grate type, vertical type, and so the drainage grate and joint specifications, different types of gullies discharge capacity, the following year foundry Gu Chang will take you from the rain grate look at the mouth of the drain rainwater Capacity: The discharge capacity of gullies metal drainage grate, flat grate Rainwater mouth about 20l / s, joint type gullies around 30l / s. Easily clogged stormwater discharge port capacity should be multiplied by a factor of 0.5 to 0.7 when the heavy rain. Multi-grate type gullies, the discharge capacity was calculated to determine the vertical gullies. Gu Chang foundry specializing in the production of all kinds of ductile iron manhole covers, the annual production capacity of 5,000 tons, is being expanded with an annual output of 10,000 tons. Address: Taigu County, State Road 108 towns Hu Dong village crossing. Cast iron drainage grate price | Chang in foundry (certified) | Taiyuan drainage grate 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.