Goodwin PLC, together with its subsidiaries, provides mechanical and refractory engineering solutions in the United Kingdom, rest of Europe, the United States, the Pacific Basin, and internationally. The company designs, manufactures, and sells dual plate check valves, axial nozzle check valves and piston controls, and isolation valves for construction projects, including the construction of naval propulsion and hull components, nuclear waste storage components, liquefied natural gas, oil and gas, petrochemical, mining, and water markets; submersible slurry pumps; and radar surveillance systems to defense contractors, civil aviation authorities, and coastal border security agencies. It also provides alloy castings for use in naval defence industry, nuclear decommissioning, and oil and gas industry. In addition, the company designs, manufactures, and sells investment casting powders, injection moulding rubbers, and waxes for jewelry casting, tire mold, and aerospace industries. Further, it produces exfoliated vermiculite that is used in insulation, brake linings, and fire protection products, including technical textiles; manufactures cristobalite and ground silica, as well as various grades of perlite and a range of biodegradable bags for use inside traditional hessian/jute bags for the placement of concrete and other materials in or around rivers; sells consumable refractories to the shell molding casting industry; and designs, patents, and sells fire extinguishers. The company was founded in 1883 and is headquartered in Stoke-On-Trent, the United Kingdom.