diffusion pumps, turbomolecular pumps, air cooled refrigeration systems, semiconductor test equipment, used vacuum furnaces, vacuum pump maintenance or repair, vacuum pumps, workshop equipment, machine shop equipment, pumps, laboratory equipment, industrial electrical equipment, furnaces, controlled atmosphere furnaces, diffusion furnaces, heat treatment vacuum furnaces, gas detectors, gas equipment, office equipment, optical equipment available from h.k. equipment, inc. based in haverhill, ma. click the links below to visit our website or contact us via our profile page.