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长期以来我国在改性沥青聚乙烯胎防水卷材市场上一直没有强制执行的产品国家标准,致使伪劣产品日益泛滥,招摇过市,许多正规的工程施工公司不敢采用国内品牌的防水卷材,造成国产防水卷材企业发展受阻,防水卷材企业技术更新速度滞后,产品档次始终提不起来。2003年3月26日,国家标
For a long time our country in the modified asphalt polyethylene tire waterproofing membrane market has not enforced the product national standards, resulting in the proliferation of fake and shoddy products, swagger through the market, many formal construction companies can not use domestic brands of waterproofing membrane, resulting in domestic Waterproof membrane blocked the development of enterprises, waterproof membrane technology business lags behind the update, product quality always mention. March 26, 2003, the national standard