HJ Jennings prides itself on providing quality precision engineering solutions, on time and on budget. We manufacture pierce and blank, forming and progression tools for various industries which include: Aerospace, Optical, Automotive plus many , many more. To include Milling, Grinding, Turning and Holding fixtures to aid the manufacture of component parts in many company's. We produce component parts on our manual and part CNC mills to include small batch and protype work. Turning - Manual and Part CNC.