Description You don't have to be Scottish to know that Bonney Forge makes a bonny line of products, including high quality forged and cast steel valves, fittings, and branch connections. In the US the company provides ferrous and non-ferrous branch connections, engineered specialty forged components, flanges, fittings, and piping systems and pressure vessels through its WFI International and RP&C subsidiaries. Bonney Forge also supplies forging and machining in Europe though its Italian subsidiary, Alco di Castronno. The company has expanded its reach through a joint venture based in Shanghai, China, to produce and sell cast steel valves in international markets.