Deep gullies of provisions. Not too deep gullies, if buried deeper conservation will bring difficulties and increase investment. Therefore, the provisions of gullies depth of not more than 1m. Gullies deep gullies covers the distance to the end of the connection pipe, not including silt groove depth. In densely populated areas with heavy traffic, pedestrians, according to the conservation of experience around, you can set up silt slot. Gu Chang-year foundry founded in 2006, is a new modern and dynamic enterprises. Since the construction and expansion of ongoing efforts to drain grate spacing, is to become a professional production of ductile iron covers business, the annual production capacity of 5,000 tons of drainage grate size, with an annual output of 10,000 tons is being expanded. Grate clean up is not timely rain will cause clogging problems. This problem occurs mainly because of the usual management is not strict, making clean-up caused by inadequate sanitation, there is a problem because the planning and construction of metal drainage grate, water drainage capacity is limited drainage grate, sometimes a rainstorm time, staff will make clear the rainwater drainage grate and dirt deep water port in place, but this can be very dangerous. Taigu County Chang foundry located in Inoue's hometown - Kim Gu treasure. Taigu Shanxi Jinzhong City, State Road 108, Hu village malleable Industrial Park, east of long high-speed, high-speed transportation Northern Qi Tongyu convenient and accessible. Welcome to order our plant rain grate! Drainage Grate prices, Chang-year foundry (certified), Datong 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.