According to reports, with the rapid development of Japan's economy and the development and development of new materials, aluminum alloy in the Japanese floating door market utilization rate is gradually reduced. The reason for this is that the number of newly built residential buildings in Japan has dropped from 1.8 million units in the highest period to 1 million units each year, and the reduction in residential buildings has led to a decrease in the number of aluminum suspension doors. Residential aluminum alloy window frame production peak of the end, which is the development of Japan's aluminum industry is undoubtedly a major blow.
In addition, in recent years, the use of new resin materials in the floating door industry will also reduce the use of aluminum alloy in the floating door market.