About ditch cover, covers, ah, do drainage ditch cover design with only mastered the ditch dimensions is not enough. Drain cover design to note the following gutter cover, trench cover round better grasp the size of a car overloaded gutter cover, but the cover of the long row of trench should have a few things to note : 1, flat direction is the direction of the grid load gate gutter cover fixed, leaving a wide gap given by ditches flat length L; 2, according to ditch long gutter cover, take in line with the standard processing modulus plate width 995mm , leaving a gap between the plates 5mm; 3, the remaining less than one meter long trench section modulus given by size; 4, according to a wide ditch and drain cover bearing requirements of the selected models. 5, the drainage ditch at the use of cover: ventilation, corrosion, explosion-proof, non-slip, durable, beautiful appearance, low price of steel grating, easy to install. This is Hebei Airlines payments to your suggestions, specific questions, please contact us. Trench cover, drain cover, trench cover, cover drains, ditches cover, sump cover trench cover is called 'drain cover' residential quarters iron mesh gutter cover, which uses steel welded grating, installation is simple, light weight, carrying good, good impact resistance, rather bend do not break, large displacement, after hot-dip galvanizing beautiful and durable, corrosion and rust, with incomparable cast trench cover advantages. As the steel grid plate with hinge joint, etc., to make it easy to open, and with anti-theft feature. Trench cover, tree cover pool are widely used in municipal roads, garden facilities, residential areas, schools, stadiums and other different places. Hebei Airlines gold according to customer requirements, production of different bearing span of steel grating products. Selected according to the actual requirements. Depending on different occasions, different materials provided trench cover. In addition to the ordinary hot-dip zinc trench cover, it can also provide stainless steel, brass and other materials processing trench cover, window covers board, please contact us. Mesh gate gutter cover mounting, gutter covers, gutter cover manufacturers to provide professional by Hebei Airlines Golden Screen Products Limited. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Air gold mesh and you hand into the brilliant, for a better future!