1、 Zhang Guanli Dai evades detection
Some enterprises imitate, or sell well-selling products, falsely use test reports and product manuals, crown their own trademarks, and vigorously promote products that have not been tested at all.
2、 Misappropriation of trademarks
For example, the products formed over the past few decades are now full of fake goods, which can not be prevented.
3、 Mix up the grade and replace the inferior with the good
This phenomenon is common in the circulation of wall and floor tiles, stone, paint, wood and other materials. Because the general consumer does not know the trade, spent the money of high-quality goods, but bought back second-class products, third-class products, and even inferior products.
4、 Ignore the standard, make it rough
Some producers and operators intentionally violate the relevant national standards and damage the interests of consumers by taking advantage of consumers' ignorance of building materials professional knowledge. For example, according to the standard, aluminum alloy profiles with thickness less than 1.2 mm shall not be used for balcony sealing. At present, more than 90% of the aluminum profiles used to seal the balcony are less than 1 mm in thickness, which causes the hidden danger of balcony sealing window falling, which has become a danger. Some enterprises used banned xylene, coal tar xylene and other highly toxic solvents to produce colorful coatings, which were applied on the walls of thousands of households, causing people to be hurt unconsciously.
5、 Making huge profits by stealing from others
This kind of phenomenon mostly appears in "foreign goods" or "quasi foreign goods". For example, some surf bathtubs, under the signboard of import or joint venture, claim "all imported parts". In fact, the key component of their products, the electric system, is "made in China".
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