優尼達企業成立於2003年，代理多功能蓄能發光塗料與推展塑膠雨水貯留磚(Sekisui Cross Wave, CW)，CW產品已被推薦至桃園市政府工務局與航空城之新材料新工法創新平台，並已完成相關規範手冊，以利公共工程推廣運用。
Founded in 2003, United Co., Ltd. is reseller of multi-functional energy-storage luminous coating and plastic rainwater storage bricks called Sekisui Cross Wave (CW). Sekisui Cross Wave products have been recommended as part of a platform of new materials and methods. The platform is supported by the Department of Public Works, Taoyuan. The rule manual for using CW products has been completed to facilitate the promotion and application of public projects.
Sekisui Cross Wave is mainly used for the storage and reuse of urban surface runoff rainwater. In addition to reducing flooding, the surface can also be used as walkways and parks. It’s the preferred method that people use when managing a “sponge city”.