Treads above a stain how to do? Hang Jin told you. Hebei Airlines Gold Wire Mesh Products Co. As a professional manufacturer of stair treads, with many years of production and sales experience summed up the following methods: for chalk, crayons, and lipstick, you can use alcohol to clean. For asphalt, rubber, oil, chocolate, shoe polish and other stains, you can use gasoline, liquor, or the same solvent for cleaning. For wax, chewing gum, we can use a piece of plastic film bag stain stair treads on how to sell, and then carefully scrape. Hebei Airlines Co., Ltd. produces all kinds of gold mesh stair treads (steel grating treads), according to customer requirements in different environments, different capacity, span, shape and color as well as construction costs, customers design, manufacturing, Welcome to order. Various stair treads the high bandwidth requirements are there? Hebei Airlines Kim tell you. Each bench indoor stair treads clear width of not less than 1.40m, stepping height should not be greater than zero. 16m, stepping width of not less than 0.28m; stair treads of outdoor stairs shall not exceed the height of 0.15m, stepping width of not less than 0.30m; station room with stair treads passengers should not exceed the height of 0.15m; stepping width of not less than 0.3m. Public buildings interior and exterior stair treads stair step width of not less than 0.30m treads, stepping height of not more than 0.15m, and not less than 0.10m, stair treads aspect ratio is based on the requirements and the different types of stair slope body's natural stride (step distance) required to determine, consistent with safe and convenient comfort. Slope is generally controlled at about 30 °, only a small number of people using the service for the relaxation of the requirements of the stairs, but not more than 45 °. Step is by 2r + g: horizontal stepped stair treads detection distance formula, where r is stepping height, g is stepping width, adults and children, men and women, young adults and the elderly are different edging stair treads, generally within the range of 560 ~ 630mm, 560mm or so children in the adult average of about 600mm. Passenger tunnel, stair treads flyover height of not more than 0.14m, stair treads width of not less than 0.32m, each not more than 18 step ladder, ran straight ladder platform width of not less than 1.5m. About Grating stair treads have any questions you can contact us, Hebei Airlines Co. gold mesh for your dedicated service. Stair treads how to sell, stair treads, Hang gold treads provided 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!