SEDA Chemical Products Co.,Ltd. was established in 1971. It is a manufacturer of PU foam. The main products are mattresses, pillows and cushions made from viscoelastic foam. In 1999, it started to market bedding products under its own brand IMAGER-37®. There are more than 20 department stores and 2 flagship stores set up in Taiwan. In recent years, it has vigorously developed medical anti-decubitus mattresses, skin pressure protectors and smart care mattress and system.