Installation of bathroom products is the last step in the process of home installation. If there is a mistake in this link, it will undoubtedly affect the mood very much. Therefore, it is very important to select good sanitary products. Below teaches you to crack the four major frauds of counterfeit and inferior products: First, embezzlement of trademarks in order to fake the real now the fake flying all over the sky, people can not distinguish between the true and the false, can not be prevented. The phenomenon that confusion grade is suboptimal is often encountered when purchasing wall bricks, floor tiles, stone materials, coatings, plates and other materials. Ordinary consumers don't know much about it. They often pay the price of high-quality products, but they buy second-class, third-class products or even defective ones. 2. Zhang Guan, Li Dai, who evades testing bad enterprises to copy famous brands or best-selling products, falsely uses testing reports and product specifications, crowns them with his own trademarks, and vigorously promotes products that have not passed the testing at all. It has long been a public secret in the sanitary ware industry. Thirdly, ignoring the standards, making some illegal manufacturers make use of consumers'ignorance of building materials expertise, and ignoring the relevant national standards for production, which will naturally damage the interests of consumers. For example, the thickness of cylinder block and plate of a certain kind of ceramics products are clearly stipulated. The thickness of products manufactured by manufacturers is insufficient, so they can be sold openly in the market. After consumers buy them home, problems will inevitably arise in use. Fourth, the phenomenon of stealing beams and changing pillars for profiteering mostly occurs in foreign and quasi-foreign brands. Some surf bathtubs have imported or joint venture signboards, claiming that all imported components, in fact, the key components of products, such as electric systems, are locally manufactured.