1953, Germany took the lead in introducing the patent of polyurethane synthetic leather;
1962, Japan imported patented technology from Germany;
1963, wet polyurethane synthetic leather was successfully developed by American company;
198 1 year, dry polyurethane synthetic leather was introduced to China;
1995, there were 15 polyurethane leather sizing plants in China.
In 2008, the output of polyurethane synthetic leather in China increased to 65.438+0.06 billion meters;