The most common specification covers Yes D600 and D700. Of course D700 divided GB and non-GB size. It covers on the shape of round, square, shaped ...... material is cast iron, plastic, cement, composite ...... specification, then it too much, mainly based on the size of the pipe to determine. This absolutely can not as detailed the inspection covers - "Complete" plastic - diameter * thickness specifications:. CM 30 * 5/40 * 6/50 * 6/60 * 6/70 * 5/70 * 6/70 * 7/70 * 12/80 * 7. The specification covers the general municipal use, usually diameter 700 heavy, bearing the weight of 40 tons or more. I plant covers mold is carrying more than 40 tons of specially designed and manufactured. For the different needs of each client, including size, accuracy, materials, logos Fujian covers water grate mold, contact information and other aspects of the conditions of the different needs of water grate covers mold size, covers mold design can not be static, I will plant According to the customer's own needs, with the actual conditions of the design. It would also consider reducing the design and implementation of troublesome post-processing to ensure durable covers mold. This requires the design and production staff at the beginning of the design and production of specific products, design requirements, to a more complex mold to have a full understanding, analysis covers mold the various performance and economics, in the mass production mold, you should try improve production efficiency. Also note that the process of making light Remember to use water supply grate covers mold, must be just right. Use good brightener can remove the oxide surface, scum and other substances covers water grate mold manufacturers, will not pollute the product and the environment, very safe. Dear friends, if necessary mold covers, please contact us, we sincerely welcome every new and old friends to our plant of cooperation. The new covers water grate mold provided by the State-die factory in Baoding Century. Baoding Century country-die factory (www.kaiyuanguotong.com) strong, credible, in Baoding plastic building materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the country through the mold Kaiyuan into the brilliant and you work for a better future!