Jun., 1918 Private SAKAI REFINERY FACTORY was established starting zinc white production May, 1920 Reorganized into a limited partnership Nov., 1920 Started production of litopon, zinc chloride, precipitated barium, barium sulfate, and barium carbonate Feb,. 1932 Reorganized into a joint stock company (Capitalized on 2 million yen) Nov,. 1932 Trade name was changed to the present "SAKAI CHEMICAL INDUSTRY CO., LTD." Jan., 1935 The first manufacture to succeed in factory production of anatas...