Kyowa, founded in 1969, is a leading company in the Japanese market for mesh sheets and safety nets for industry and construction. The Filter Unit was used for the first time in 1987, to protect the foundations of the great bridge at Akashi (world's longest span, with a total length of 3,911m). For more than 25 years, the Filter Unit has been widely used in civil engineering for rivers and port works. We have been promoting our product for renewable energy market (especially offshore wind farm market) and oil and gas market mainly in UK since 2010, and we already have a good track record.