We are an ISO 9001-2008 company that designs, develops and manufactures leading edge vehicle monitoring hardware and software for the global rail transit industry.  We supply train management, passenger information and fleet diagnostics systems for new builds, retrofits and overhauls.

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Quester Tangent affirmed as a global supplier for Alstom Transport

Global framework agreement with Quester Tangent enables Alstom Transport to benefit from advanced design and manufacturing technology for railway projects worldwide

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