大陽日酸 (Nippon Sanso) 

Nippon Sanso Holdings Corporation engages in the gas business in Japan, the United States, Europe, Asia, and Oceania. It operates through five segments: Gas Business in Japan; Gas Business in the United States; Gas Business in Europe; Gas Business in Asia and Oceania; and Thermos Business. The company offers oxygen, nitrogen, argon, carbon dioxide, helium, hydrogen, and acetylene; welding, cutting, gas supply, and medical gases and related equipment; air separation and electronic material gases; and refining and supply equipment installation services. It also manufactures and sells household goods, such as stainless-steel vacuum-insulated bottles, tumblers, and fry pans. The company was formerly known as Taiyo Nippon Sanso Corporation and changed its name to Nippon Sanso Holdings Corporation in October 2020. Nippon Sanso Holdings Corporation was founded in 1910 and is headquartered in Tokyo, Japan. Nippon Sanso Holdings Corporation is a subsidiary of Mitsubishi Chemical Group Corporation.