The most important thing in the world are compounds Within the All Welding Group AG in 2005, the EB-specialists Steigerwald jet technology and the PTR Group have joined together and are now available for high-quality, safe and durable welds. PTR Precision Technology GmbH is a medium-sized company based in Main valley near Frankfurt / Main. Its sister company PTR-Precision Technologies Inc. in Enfield, Ct. native to the United States. The Steigerwald beam technique has its headquarters in Maisach in the west of Munich. PTR in Main valley has its origin in electron beam welding department of the former company Leybold-Heraeus Hanau, later Leybold AG. PTR / Enfield was formerly the electron-division of the U.S. company Hamilton Standard, Ct., While Steigerwald jet technology from the founder of modern EB-processing, hc Karl-Heinz Steigerwald, was founded. Companies from around the world benefit from the know-how, reliable technology and decades of experience of this EB-technology specialists. More than 1,200 delivered systems for welding and drilling speak for themselves. We take care of your connections - worldwide.