The Standring Brothers Ltd.'s managing director since 1992 is John Standring. We are a family-run company that includes Harry Standring, John's father, who founded Range Valley Engineering Ltd. in 1961.

In 1978, Range Valley Engineering Limited and Weatherseal introduced the first fully authorised whole PVCu window system in the UK. Due to our experience, we are able to provide quotes for difficult profiles, general purpose trade extrusions, and window profiles.

Our business is located in Greenfield, Saddleworth, in the North West of England. Due to the convenient access to major highways from our location, deliveries of plastics extrusion are always made on schedule.

Our knowledge of plastic extrusion is used by many businesses to test their products before they hit the market. with more than 55 years of expertise