Founded in 2011, Beijing Ifpen Instrument Enterprise, which is adjacent to the beautiful political and cultural center, is located in Beijing Daxing Industrial Development Zone. Our company has a professional, innovative technical team and a standardized production team. Over the years, we have been achieved zero breakthrough in turbulence jump by committing to the production and R&D of industrial instruments and meters and focusing on the R&D and exploration in the field of "wind speed and air volume". After the continuous evolution of the hot ball, hot wire and hot film principles, as well as the exclusive secondary calibration method, we are well-known in the industry as high precision and high stability, breaking the conventional method of using the differential pressure principle to detect air volume in the traditional industry and breaking through the error value of micro wind speed measurement. IVAN has persisted in serving new and old customers with "Innovation, Quality, Integrity" since its foundation. "The heart of innovation, serving the world", IVAN focuses on R&D, provides high-quality products and services, and is committed to the quality road of production enterprises.