Profile: Aurora / P.S.I. Inc. manufactures diaphragm valves, A - frame coils, abbe refractometers above ground tank inspection, abrasion resistant coatings and abrasive service metal seated ball valve. We provide high-bandwidth transmission systems are designed for advanced HFC, fiber deep and FTTH networks. We specialize in optical transport systems for broadband networks which supports convergence of digital broadband, voice, video and data applications.