Our company produces hot-dip galvanized rainwater grate is flat and twisted square welded steel or steel and flat steel from. Galvanized rainwater grate has a beautiful appearance, mesh large, the best drainage, high strength, specifications and low cost, it is usually made of steel grating Grate rain. Such light weight galvanized rainwater than cast iron grate grate, cheap size selection (1), flat direction bearing (support) direction, according to ditch (well) wide gaps remain flat fixed length L; rain grate short direction ( groove width direction) do a load direction (2), according to ditch long layout, taking in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm; (3), the groove (wells) remaining less than one meter long section modulus by sizing; (4), according to the selected type steel grating grooves (wells) wide and load requirements. (5), recommended to choose a standard size design and construction, our company can design the production of various sizes or have other functions. Categories ordinary galvanized rain grate: that of steel grating. Also called gutter cover, drain cover under other names tube galvanized rain grate: is to use steel edging steel grating. Such rain grate also called Hemming U-tube grate rain grate: is to use angle edging steel grating. Also called U-shaped groove cover galvanized anti-theft rain grate: that is, the angle framed in reinforced concrete, steel grating and then put Angle box. Such theft rain grate effect, more for municipal wells, park drains cover, rainwater grate and other public places VAI steel grid MILL recommend that you use anti-theft rain grate.