Trench cover 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, security steel grating trench cover, easy to open. 5, saving investment: Span trench cover grille Which is good, when overloaded, 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. Drain cover is also known as "drain cover", "manhole cover" high load grille trench cover, "manhole" Initially it was cement, cast iron grating trench cover, after the normal use it is easy to damage, a large replacement costs. Hefei gate so much late pressure using welded steel grating, so with a simple construction and installation, light weight, carrying good, strong impact resistance, excellent drainage, surface appearance after treatment using hot dip galvanized, rust corrosion, has incomparable advantages of cast iron trench cover. Steel grating trench cover the ground with a sidewalk, driveway, patio or buildings as cover ditch, pipeline trenches, underground tunnels, air shaft, light wells, inspection wells. Steel grating trench cover usually consists of a fixed frame and the activities of steel grating cover. According to needs, coupled with anti-theft device fastening mechanism or steel grating trench cover _ _ Asahi Connaught metal mesh grille trench cover provided by Asahi Connaught Anping Wire Mesh Products Co., Ltd. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) quality services and products, and are subject to approval and confidence in the new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union customer service icon on the page, you can talk directly with our customer service staff, to our future cooperation happy!