Toray Co. Toray Industries, a Japanese high-tech multinational group, was established in January 1926, headquartered in Tokyo, with organic synthesis, polymer chemistry, biochemistry as the core, is one of the world's earliest enterprises engaged in the development of reverse osmosis membrane technology, and is currently the world's only one with RO, NF, UF, MF, fiber filter series membrane technology research and development and to provide the market with a full range of commercial membrane products. It is also the only membrane manufacturer in the world that has developed RO, NF, UF, MF, and fiber filter cloth series membrane technologies and provided a full range of commercial membrane products to the market.