1、采用热浸镀锌表面处理: 具有很强的防锈力强，30年免维护和免更换。 2、国内先进的防盖设计：由钢格板制作的水沟盖与框用铰链联接，防盗，安全，开启方便 3、产品外形美观：简捷线条，银色外表，现代意念 4、网孔大具有最佳排水：漏水面积达83.3%，是铸铁的两倍多。 5、用料省节省投资：大跨、重载时，比铸铁价格低；并可节省铸铁

1, the use of hot dip galvanizing surface treatment: strong rust resistance, 30 years of maintenance free and no replacement. 2, the domestic advanced anti cover design is made of steel plate ditch cover frame are connected by a hinge, anti-theft, safety, convenient opening 3, product appearance: concise lines, silvery appearance, modern idea of 4, large mesh has the best drainage: Water Leakage area of 83.3%, is two times more than the cast iron. 5. Save the investment by saving materials: when large span and heavy load, the price of cast iron is lower than that of cast iron; and the cast iron can be saved.