Beijing Hanshi Instrument Co., Ltd. (formerly known as Beijing Hanshi Manufacturing Institute) was founded in 1987 by Professor Wu Tingzhao, a renowned expert in China's atomic absorption analysis industry, the developer of China's first atomic absorption spectrophotometer, and multiple national patent holders (patent technology: Wu's metal sleeve glass high-efficiency atomizer, flow injection hydride generator) We are a specialized spectral analysis instrument manufacturing enterprise that integrates research and development, production, sales, and service. The company has obtained ISO-9001 quality management system certification. The company has its own research and development production base of 6000 square meters, with more than 100 employees and a first-class expert team in China. It has strong technical strength, advanced service concepts, and unique management models. We specialize in the research and development of laboratory analytical instruments and equipment, including atomic absorption spectrophotometers, flow injection hydride generators (atomic absorption hydride generators), Wu's metal sleeve glass high-efficiency atomizers (atomic absorption atomizers), high-performance hollow cathode lamps, carbon and sulfur analyzers, X-ray fluorescence spectrometers, atomic fluorescence spectrometers, microwave digesters, muffle furnaces, cooling water circulators, etc. Our products are mainly used in industrial testing and analysis, such as steel, metal smelting industry, real estate mining and other fields.