Beijing nicon  instruments co., ltd. (nicon  instruments for short) is located in zhongguancun science and technology park, is a dedicated to the development of personalized valve dispensing instrument, production and sales and technical services and other technology companies.Products are widely used in scientific research institutes, provincial and municipal metrology institutes, environmental protection, coal, occupational safety and health, disease prevention and control, petrochemical, electric power, metallurgy, aviation, aerospace, military and other industries and fields.