About Us

Asahi Kasei's development of hollow fiber membrane technology dates back to the 1970s, and in the 1980s the company began marketing hollow fiber membranes under the brand name Microza. Today, Microza is used in purification and concentration processes in a wide range of industries, from water treatment to the purification of chemicals, food, and pharmaceuticals. Based in our Tokyo headquarters, we are meeting the needs of customers around the world.