At Zef Scientific we support most brands of LC/MS instruments with factory trained service engineers. This includes instruments by Sciex, Waters, Thermo, Agilent, and Shimadzu. We offer fast onsite response and great pricing compared to the OEM's.I personally have 26 years experience servicing LC/MS instrumentation, primarily Sciex's line of Quadrupole Mass Spectrometers, Hybrid Linear-Ion-Traps and Time-of-Flight instruments as well as Waters Acquity/Xevo TQD's and Shimadzu's 80xx series mass specs. I also support many brands of LC equipment such as CTC-PAL, Shimadzu, Agilent, and Waters. And I can service many models of Peak Scientific and Parker Gas Generators. I also write field service documentation including forms, work instructions, IQOQ, IPV, and SOPs. I have trained many new service engineers over the years and developed training program material. I also design custom LC/MS instrument benches that dramatically reduce system footprint in the lab and look great.