The latest company to join the AS-Interface Expert Alliance is Schubert & Salzer UK. Schubert & Salzer is a well established manufacturer of high-performance control valves, with manufacturing facilities based in the heart of Bavaria and associate companies throughout the world. Schubert & Salzer will be exhibiting at ASi-tech 2007 in Manchester (22 May 2007) and will have its brand new AS-Interface valve positioner on display