For more than 15 years, PTB Sales has been one of the leading providers of vacuum equipment services in the northern America. Based in Azusa, Calif., it offers a range of services, such as cryopump repair service, turbo pump repair service, pump services, power supply services and vacuum pump repair service, to name a few. The caters to various industries, including the semiconductor fabrication, PV solar, nano-technology, MEMS, vacuum coating, aerospace and defense, research and development and general industrial industries. PTB Sales has partnerships with Agilent/Varian Vacuum, Oerlikon Leybold, S3 Alliance, Ricor and Inland Oil.