Since 1997, WONJIN Composites has operated a worldwide reputation in Glass Fiber Reinforced Plastic (GRP) pipes and fittings with piping manufacturing systems.
Today, GRP piping systems are available in a variety of standard diameters ranging from 15 to 3000 mm. WONJIN offers GRP pipe and fittings to meet all national and international standards depending on the area and application. Combining the strength of GRP and the chemical compatibility of plastics provides customers with a superior alternative to costly metal alloys and other-lined steel.