The specialty fiber producer Lenzing has announced the completion of an investment of the world's largest Lyocell fiber manufacturing plant, which is consisting of an advanced innovative production and using biodegradable and environmentally friendly wood fibers at its site in the 304 Industrial Park in Prachinburi Province. 304 Industrial Park is sustainable eco-industrial town offering full ranges of utilities that meet all client queries. Meanwhile, Lyocell plant itself has an annual production capacity of more than 100,000 tons, with a total investment of more than 400 million euros or about 15 billion baht.