[Class : 17] Hdpe, Pvc Pipes & Fittings, Pvc Casing & Capping (Trunking & Ducting) And Its Fittings Plastic In Extruded From For Use In Manufacturing: Packing, Stopping And Insulating Materials: Flexible Pipes Being In Class 17.

[Class : 19] Non Metal Roofing Hips, Non Metal Roofing Panels, Non Metal Roof Coverings, Pipes Of Cement, Earthenware Or Sandstone, Pipes (Water) Not Of Metal, Plastic Conduits For Drainage And Irrigation, Plastic Conduits For Drainage, Plastic Conduits For Irrigation, Plastic Pipes For Conveying Natural Gas, Plastic Pipes For Plumbing Purposes, Plastic Water Conduits For Ro...