1940~ As a pioneer of plastic products ~

March 1947 Established as SEKISUI INC. to run a general plastic business
January 1948 Opened Nara Plant (until 1957), and started the first automatic plastic injection molding business in Japan
January 1948 Changed company name to SEKISUI CHEMICAL CO., LTD.
August 1948 Opened Osaka Plant (until 1971), and started production of polyvinyl alcohol (PVA) and lead acetate
April 1949 Commenced trial production of cellophane tape at Osaka Plant