Hunan Addition Instruments and Apparatus Co., Ltd.

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.

Testing equipments of petroleum for Oxidation Stability,Borderline Pumping Temperature,Rust-Preventing Characteristics,Brookfield Viscosity,Foaming Characteristics,Ageing Characteristics,Flow Pressure,Water Displacement,Air Release Properties,Water Separability,Light Stability,Softening Point,Penetration Of Bituminous,Dielectric Breakdown Voltage,Density,Corrosion,Boiling point,Freezing Point,Sulfated Ash,Oil Cleanliness,Freezing Point,Trace Moisture, Falsh Point,Filterability,Low-Temperature Torque,Toluene Insoluble Matters,Cavitation Corrosion,Solidification Point,Quinoline Insoluble Matters,Thermal Stability,Saturated Vapor Pressure,Abrasiveness,Gum Content,Linolenic Acid Methyl Esters,Cone Penetration,Dropping Point,Floc Point,Roll Stability ,Chemical Stability,Oxidation Induction Time,Saybolt Color.