The GRE products are made of epoxy resin and glass fiber as the main raw materials, and shaped by winding process. Company has a professional technical team to design、lay-out、manufacture and install. Strictly control the production quality, including raw and auxiliary material inspection, process inspection, and finished product inspection, to ensure meet the standard requirements of each classification society. Currently, the products are widely used in those systems including seawater, ballast, bilge system, sewage line, cooling water etc.