Most of the impressions of imported goods in the consumer's impression are of better quality and the price is slightly more expensive. However, I do not know that the brand name products on the market are now overwhelming. If they are not carefully identified, it is very likely that they will spend a lot of money to buy it back. A "knockout", this feeling is really too aggrieved. In order to avoid the embarrassing situation of the "Li Gui" as Li Kui, here are some good ways to introduce "Certify Yourself".
Di Zaiying Water Pipe
Look sign
1 Look at the trademarks first. This is a trademark of Di Zai Ying's water pipes.
2 "PP-R 80" is the material grade of PP-R water pipe. This 80-pound PP-R pipe has higher material grade than ordinary PP-R pipe, and its physical properties such as density and strength are also higher than ordinary PP-R. R hose should be high.
3 This is the outer diameter and wall thickness of the 6-point water pipe
4 PN20 pressure rating
5 This is the national standard of Turkey. Because Di Zai Ying’s water pipes are produced in Turkey, they must first meet their national standards.
6 “Di Zai Ying†water pipes also comply with the German (DIN8077/78) industry standard.
7 SKZ is the German Plastics Research Institute of plastic products, SKZ is directly to the factory production line to take samples for inspection and certification, but also to carry out multiple, long-term repeated sampling inspection, which fundamentally guarantees the water pipe from the production To the factory quality.
8 QAS is followed by a series of production dates, which can be compared based on the date of production marked on the water pipe and the date of origin provided by the merchant, the date of bill of lading, and customs import declaration.
See certification
The quality of imported PP-R water pipes of the highest quality must also be the most authoritative in the world. For example, Di Zaiying's water pipes not only passed SKZ, which is a certification of the German Plastics Research Institute, but also passed DVGW, the certification of the German Water Gas Technology Association, which further ensures the safety of water pipes in daily life.
See documents
The imported products must have a complete set of formalities, such as certificates of origin, bills of lading, and import customs declarations. You can see if the dates of these water pipe documents correspond to the dates printed on the water pipes.
Water pipe purchase
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