Profile: Technical Welding Services (Rochdale) Ltd. specializes in the manufacture and refurbishment of extruder screws and barrels for the rubber, plastic, and feed industries. Our screw types include extruder screws, injection molding screws, twin screws, and segmented screws. Our extruder screws are used for many applications including corrosive materials, and electrical cables. We also manufacture and repair ancillary parts. Our technical welding services offer extrusion, compounding, injection molding, and blow molding.