Rain grate size selection 1. flat direction bearing (support) direction, according to ditch (well) wide gaps remain flat given length L. 2. Press the channel length typesetting rain grate role, taking in line with standard processing modulus plate width 995mm, leaving a gap between the plates 5mm. 3. Ditch (wells) remaining less than one meter long section modulus given by size. 4. Select the steel grating type according to ditch (well) wide and load requirements. 5. Select the standard size is recommended for design and construction, our company can design or production of various sizes have other functions. The primary raw material production and characteristics of rain rain grate grate is flat and torque steel, primary production technology is welding. Follow the road of technology, a lot of rain grate through the choice of resin and reinforced plastics add inorganic fillers to form a new composite rain grate, grate it in rain lighter than the previous cast-iron rainwater grate weight, and low cost is also cf. . Cf large displacement rain grate, not prone to clogging appearance, high strength, light weight, simple construction lunch. Grate rain after hot-dip zinc rainwater disposal grate types, so the intensity of the use of contrast with excellent advantage of being able corrosion rain grate manufacturers, and by the use of beautiful. Rain grate choices are hook and hinge connection mode convergence aspects cf also fixed, so open after midnight, a big improvement on the anti-theft function. Rain grate types | WorldCom iron (certified) | rain grate by Daiyue Tai'an City WorldCom iron factory. Daiyue Tai'an City WorldCom Iron Factory (tastty.com) is a leader in Tai'an, iron products, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Iron alive through leadership with the staff warmly welcome all inquiries negotiations, through the creation of a better future, wrought iron.