Profile: Jade Engineering (Coventry) Ltd. supplies window machinery and tooling for PVCu systems. The corner/transom cleaner jupiter CNC is a weld cleaning machinery. It features full removal of weld sprue from outer edges of welded joints, removal of weld sprue from visible internal edges of welded joints, grooving (Top and Bottom) of welded profile joints and gasket drilling (top & bottom) to remove weld sprue from gasket slots of welded joint.