Get more out of it. Get Ryobi. The Ryobi range of door closers are top quality high performance products. The quality and leading edge technology comes from being the worlds largest and most advanced die casting manufacturer Ryobi started producing surface mounted door closers in 1963. Since then Ryobi has developed the production technology and quality that is recognized by architects, installers and home owners, as second to none! The Ryobi door closer range is divided into consumer door closers and industrial door closers.