Trench cover, trench cover the purchase, Hang gold mesh (certified merchants) provided by Hebei Airlines Golden Screen Products Limited. Gold mesh Hebei Airlines Co. (www.hbhangjin.com) is specialized in the "steel grating, steel mesh, wire mesh fence," the enterprise, the company of "honesty, hard service" concept, to provide you with the most quality products and services. Welcome to inquire! Contact: Michelle bow. How to fill in the trench cover product quality certificates on steel grating products should be pushed, spray write or paste signs with trademark code into production plant, steel grating type, number and standard number itself. Quality Certificate: Certificate of Quality products should indicate the standard number of products, steel grade, category, type, size, surface protective layer status, appearance inspection and performance check of the results, along with the product delivered to the user, as a basis for acceptance . If the user needs, provide quality assurance of raw materials. Hebei Airlines Co., Ltd. is a large-scale gold mesh of steel grating production enterprises, the main products: galvanized steel grating, trench cover, stair treads, plug steel grating, composite steel grating, steel-intensive Grating FRP Grating variety of steel grating products, we always uphold the "quality of survival, integrity and development" the company philosophy, production of quality products, welcome new and old customers call to order. After a lot of customers called and asked trench cover specifications, some of them by our understanding of the needs of the ditch or gully dimensions of said trench cover installation rather vague, but also less likely to measure, first of all we should ditch The size of the trench cover the production process, in order to have the product size, the following aircraft gold trench cover to be explained to you. Trench cover refers to the sewer, storm drain, such as gully on top of the cover, the main purpose is to prevent pedestrians, cars and other security trench cover distribution, places, and sometimes also to protect the safety of the gully. With a variety of models to choose from to suit different load and span requirements. Widely used in municipal roads, garden facilities, residential areas, schools, stadium management and other different places. How to measure the size? 1, trench cover flat direction bearing (support) direction, according to ditch (wells) wide gaps remain flat fixed length L; 2, according to the ditch (well) long layout, taking in line with the standard board processing modulus 995mm wide trench cover, leaving a gap between the plates 5mm; 3, ditch (well) remaining less than one meter long section modulus given by size; 4, according to the channel (well) and carries a wide selection of steel grating model requirements. Model how to choose? 1, for use in road traffic on the sidewalk, driveway, parking steel grating, dock or building ground trench cover, because of the different loads and dealers direction, the design and selection should be the actual situation consideration. 2, for the ditch on the road and crossing the ditch cover (dealers carrying flat direction parallel to the direction), not only to consider the wheel pressure, shock, need to prevent the risk of bouncing shift trench cover, you must ditch Cover and angle, supported beam fixed (you can use fixed or welded steel grating installation clips). Hebei Airlines gold can be designed according to customer needs, you are welcome to inquire.