Shin-Etsu Chemical Co., Ltd. began with the coming together of Nagano Prefectures (Shinano-area) water and Niigata Prefectures (Echigo-area) limestone. Nagano Prefectures plentiful water give birth to electric power......Shin-Etsu Chemical Co., Ltd. began with the coming together of Nagano Prefectures (Shinano-area) water and Niigata Prefectures (Echigo-area) limestone. Nagano Prefectures plentiful water give birth to electric power and the limestone that came from Niigata Prefecture was a key raw material, which was called, "Oyashirazus great earth." Because of the presence of these two gifts of nature, Shin-Etsu Nitrogen Fertilizer Co., Ltd. was founded on September, 1926 to manufacture chemical fertilizer and limestone nitrogen.The history of Shin-Etsu Chemical Co., Ltd. began from this point.The companys "Shin" comes from Shinano and "Etsu" is taken from Echigo.