Hunan Addition Instruments and Apparatus Co., Ltd. integrates researching, manufacturing and selling of petrochemical analysis instruments into a whole. Established in 2008 for research and development, and established as a sales department in 2015. Addition not only maintains the tradition of stable analytical instrument performance and exquisite craftsmanship, but also improves product
performance and accuracy, and makes our products more intelligent, humanized, and personalized.
