Serrated steel grating made of high strength steel, the steel grating with high strength: the strength and toughness is much higher than cast iron, can be used for docks, airports and other large span and heavy load conditions. This product has a large mesh with the best drainage: leakage area of ??83.3%, more than twice the iron. Product appearance: simple lines, silver exterior, modern ideas, saving investment material Province: large span, heavy load, low prices than cast iron; and save iron Gein stolen or crushed and replacement costs. Serrated steel grating from one side is serrated flat welded together, in addition to ordinary steel grating characteristics and uses also has a strong anti-slip capability, especially for wet, slippery places, offshore oil platforms. Serrated steel grating hot-dip galvanized surface treatment, has a strong anti-rust power. This product can be used as a drain cover and frame hinge connection, security, safety, easy to open. Steel grating production methods: pressure welding steel grating is arranged by Wei by load flat steel and bars with certain distances, using 200 tons of hydraulic resistance welding automation equipment welded into the original board, after cutting, opening, edging and other processes from customer requirements. Loaded flat pitch: two adjacent bearing bars by the center distance, commonly 30MM, 40MM two kinds. Bar spacing: distance between the centers of two adjacent rails usually 50MM, 100, two kinds, according to customer requirements. Can be customized according to customer requirements of various types of steel grating Contact: Manager Ma Tel: 13363330733