of Quality Supervision, and other nine ministries jointly carried out a one-year building materials market order special rectification work, can be described as a large quality mechanism under a 'big renovation.' One of the contents of the work is to use the materials used in the construction process, including building waterproofing membrane

quality and safety into the key areas of regulation. Zhuozhou ban small workshop action is one of its contents. National quality supervision and inspection is also an important part of the special rectification. For example, the spot checks of the two indicators failed, from the harm that if the coil 'low temperature compliance' failed, the

use of cold under easy cracking; and 'soluble content' if not meet the standard requirements, Its anti-aging performance sent to reduce the waterproof function. Once again announce the quality of this problem, in fact, the enterprise is also a promotion and supervision. While playing edge, eliminate backward, support advanced, waterproof