Gold APP Instruments(www.jinaipu.com), expert in surface area and porosimetry analyzer, is a high technology and originality corporation located in Zhongguancun, Beijing High-tech Industry Zone, where gathered numerous national famous universities and research laboratories. Corporation originates and serves the China weapons system, relies on advantages of local talented human resource and weapons system technology and devotes into scientific instruments development, production and sale. With closely cooperation with weapons system and reference from overseas developed technology, Gold APP had built a well-known brand in weapons and civil industries. To research and develop fully-auto and intelligent analytical laboratory instruments, provide international standard, high cost performance and state-of-the-art instruments for R&D institutions and manufacturing enterprises are our unchanged mission. Gold APP analyzers cover F-Sorb X400 series based on flow nitrogen adsorption and V-Sorb X800 series rely on volumetric nitrogen adsorption for surface area and pore size analysis. Further, an extremely sophisticated high pressure gas sorption H-Sorb 2600 and the revolutionary true density analyzer G-DenPyc 2900 left other components far behind. Gold APPs scientists have revolutionized measurement techniques and designed instrumentation to enable the accurate, precise, and reliable characterization of powdered and porous materials: battery and fuel cell materials, heterogeneous catalysts, pharmaceuticals, ceramics, carbons, zeolites, projectile propellant, cosmetics, aerospace, nanotubes, medical implants, pigments and foodstuffs, indeed any solid whose performance depends on some interaction with its surroundings through its surface. All series of instruments had approved by ISO9001, national calibration certificate etc. these makes it hold the biggest market share in China from year of 2008. The driving force of our corporation is to research and provide top performan