Our six series products: (1) PVC-U water -supply pipes and fittings; (2) PP-R(cold, hot)water -supply pipes and fittings; (3) PVC-U pipes and fittings for construction drainage, sandwich layer foaming, sandwich layer foaming spiral, double-wall porous spiral pipes for constuction drainage; (4) PVC-U compression pipes, grain steaming pipes, cable pipes; (5) PVC-U electrician''s insulation sleeve and components. (6) Plastric valves and cosmponents.