Renold plc is an international engineering group, producing a wide range of precision engineering products, operating in nineteen countries worldwide. The principal activities of the Group are the manufacture and sale of ......Renold plc is an international engineering group, producing a wide range of precision engineering products, operating in nineteen countries worldwide. The principal activities of the Group are the manufacture and sale of industrial chains and related power transmission products. Follow the links on the left hand side of the screen to find out more about Renold Group or learn all about our company History.