Because the market is good, so that the sales of the product, this is something now often encountered in life, the same is true for the use of 304 metal hose flange, because now more and more fields for its high degree of dependence, the inevitable emergence of competition, and the increasing competition of the market has led to today a lot of problems, objectively view and solve these problems is of positive significance for the future improvement of the 304 metal flange hose market.