Although flexible waterproof casing is waterproof casing for production according to Figure shade, but vary according to user needs is divided into a national standard, almost standard, winning, four grades of non-standard waterproof casing, sounds like a very complex rigid waterproof casing Which is good, as good as we usually know the difference between the four levels, these are based on the requirements of different customers use quote. GB flexible waterproof casing by definition is in accordance with national standards strictly Atlas customized products, all dimensions are consistent with Atlas label, as long as the purchase come ready measuring tools to effectively detect. If you just consider the wall rigid waterproof casing pipe manufacturer, regardless of post-wall rigid waterproof casing Which is cheaper, the displacement of the wall on both sides of the waterproof performance and deformation of the pipe, you can choose rigid waterproof casing. In other words, if we consider both sides of the wall waterproof performance, we must use flexible waterproof casing. All in all in the case of wall of water that we have to do to consider the premise to avoid losses caused by post-engineered. Which is good rigid waterproof casing _ Serco supply material (certified) _ Liaoning waterproof casing provided by Serco Gongyi City Water Supply Materials Co., Ltd. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) is Zhengzhou, gate leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Serco leadership material in the water with the staff warmly welcome all inquiries negotiations to create Serco supply material a better future.