The advantages of swimming ring and life jacket are mainly manifested in "life saving in water"; The swimming collision zone is very different, and its advantages are mainly manifested in "swimming teaching". The trial products of swimming collision avoidance belt have been put on the market for many years, and a large number of practices have proved that it can completely ensure that every user can learn to swim within seven days. Since the patent was published in 2003, many domestic newspapers and magazines have successively carried out key publicity. Especially on June 5438+00, 2009, CCTV 10 channel made a key publicity in the column "I love inventions" and ranked first in the CCTV online voting contest with 60% of the votes. 20111February, CCTV 10 produced another program in the column "Enjoy the Wonderful Life" and made a key publicity again. So far, more than 30 newspapers and magazines all over the country have focused on publicity, and then hundreds of internet websites have helped him set up publicity pages. As long as you enter the six Chinese characters "swimming collision zone" into Baidu column for real-name search, you can access many web pages, pictures and video materials.