Gutter cover price filtering dedicated trench cover grille trench cover using pressure welding steel grating design and manufacture of such products has long been widely used in Europe and America, Japan, Australia and other countries. Trench cover in China has been widely used for municipal, gardens, car parks, factories, roads, docks and airports and other fields. Appearance: simple lines, silver exterior, modern ideas. Best drainage: leakage area of ??83.3%, more than double the cast iron. Hot-dip galvanizing: rust-proof and strong, 30-year free maintenance and replacement. Anti-theft design: hinged lid and box connection, security, safety, easy to open. Saving investment: large span, heavy load, low prices than cast iron; and save iron Gein stolen or crushed and replacement costs. High strength: strength and toughness is much higher than cast iron, can be used for terminals, airports and other large span and heavy load environment. Variety: meet different environment load, span and shape required, to provide the size and shape of manufacturing customers. May be set to make a circular shape edging, square, irregular shape, etc; color components: Hot galvanized silver-white, can be sprayed into a variety of different colors; usually the size of a block 400-1000mm wide. Over the past decade, we have by virtue of scientific management and strict quality management systems and standards of testing equipment to ensure product quality. So not only selling products all over the country, but also exported to other countries. Such as Japan, the United States, Canada and other parts of the country recognized by the users and experts, its quality and service by the world's users. We had the spirit of sincere cooperation with the new and old customers, principle of mutual benefit to establish extensive relations of cooperation. We believe that through our joint efforts will be able to create a better future. Shang Jie Hebei metal mesh Products Co., Ltd. /// gutter cover price filtering dedicated trench cover grille