• unionvac

    Hangzhou, Zhejiang, China,

    Unionvac is a professional manufacturer of Ultra High Vacuum seal and related products for wideseries vacuum coating semiconductor industry application.Our main including: Components Ferrofluid feedthrough Valve chambersWe are very strong ...
  • mainline backflow products

    128, edmonton, alberta, Canada,t5l-1c8

    Mainline Backflow Products was established in 1997. The company hastwo separate entities serving North America. Mainline backflowProducts (Can) Inc. serves the Canadian market and MainlineBackflow (USA) USA markets. MBP works withall levels of ...