Manufacture of steel grating groove (wells) cover, with a variety of models to choose from to suit different load and span requirements. The product is simple construction, light weight, carrying, impact, rather bend do not break, large displacement, after the hot-dip galvanizing beautiful and durable, corrosion, with cast iron cover not like advantages. Using a hinge connecting link or the use of hooks, etc., easy to open, and with anti-theft feature. Widely used in municipal roads, garden facilities, residential areas, schools, stadium management and other different places. The Company may, under specific customer requirements, design and manufacture other specifications shaped trench cover. Depending on different occasions, our company can provide different specifications of the ditch (well) cover, the surface can be hot dip galvanized, cold Coated (Galvanized) or no treatment, trench cover size selection: 1. flat direction bearing (support) direction, according to ditch (wells) wide gaps remain flat fixed length L; 2. Press the ditch (well) long layout, taking in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; 3. Ditch (wells) remaining less than one meter long section modulus by sizing; 4. Select the steel grating type according to ditch (well) wide and load requirements. 5. Select the standard size is recommended for design and construction, our company can design or production of various sizes have other functions. Features: 1, appearance: simple lines, silver exterior, modern trends. 2, the best drainage: leakage area of ??83.3%, more than twice the iron. 3, hot-dip galvanizing: rust-proof, strong, maintenance and replacement. 4, anti-theft design: with a hinged lid and box connection, security, safety, easy to open. . 5, saving investment: large span, heavy load, the lowest ratio of iron and saves the cost of replacing the stolen or crushed. 6, high strength: strength and toughness is much higher than cast iron, can be used for docks, airports and other large span and heavy load conditions. 7, specifications: meet different environmental loads, span, size and shape desired.