Beijing Pufei Technology Co., Ltd. is mainly engaged in the production and sales of ultraviolet fluorescence sulfur analyzer and chemiluminescence nitrogen analyzer. At the same time, it acts as an agent for Dutch TE instruments to import ultraviolet fluorescence sulfur analyzer, chemiluminescence nitrogen analyzer, and coulombic chlorine analyzer. The company produces almost all spare parts for petrochemical and steel products, and currently has particularly advantageous product spare parts: spare parts for American Waukesha octane number and cetane number instruments, American ThermoFisher sulfur nitrogen chlorine analyzer TSTN3000, American Thermo Scientific iPRO 5000 total sulfur analyzer, American PHOTONLAB/S ultraviolet fluorescence total sulfur analyzer, German Jena EA5000 spare parts, and British PCS, American PAC (ANTEK, HERZOG, ISL, ALCOR). Jena, ELEMENTAR, and NORMAL spare parts from Germany and France.