Trench cover the salient features: (1) the use of hot-dip zinc (galvanized) Surface treatment: a strong anti-rust and strong drain cover, 30-year free maintenance and replacement. (2), the domestic advanced anti-cover design: made by steel grating drain cover and frame with a hinge joint gutter cover, security, safety, easy to open (3), product appearance: simple lines, silver exterior workshop drain cover, modern ideas (4), a large mesh with the best drainage: leakage area of ??83.3%, more than twice the iron. (5), material saving saving investment: large span, heavy load, low prices than cast iron; and save iron Gein stolen or crushed and replacement costs. (6), the use of high-strength steel, so that the grill plate 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. (7), product varieties: meet different environment load, span and shape required,, customers can provide the size and shape. Steel grating trench cover is mainly used for a number of factories and high-end residential use, mainly because the cement trench cover is often crushed, pavement has also been destroyed. Therefore, under drain cover, made of steel grating trench cover to suit different truck loads. Because trench cover simple construction, light weight, carrying, impact, rather bend do not break, large displacement, after the hot-dip galvanizing beautiful and durable, corrosion, has incomparable advantages of cast iron cover. And the use of the hinge connecting link or the use of hooks, etc., easy to open, and with anti-theft feature. In factories and some widely used high-end residential drains cover 炳辉 network industry (certified), Qingyuan drain cover provided by Foshan Nanhai 炳辉 industry Manufacturing Limited. Nanhai District of Foshan City 炳辉 industry Manufacturing Co. (fsbhwy.cn) Guangdong Foshan, a leader in the wire mesh over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Bing Hui network industry leadership with the staff warmly welcome all inquiries negotiations to create Bing Hui network industry a better future.