The company lasted nearly a year of development, quality and performance comparable with similar foreign products, the roller factory repeated experiments and many times to improve, light weight, high precision, good strength, easy to carry, easy to install, wide measurement range, High precision measurement, suitable for measuring a variety of types of roller steel roller, rubber roller, roller or roll in the high roll. Tablet PC direct reading and display curve, the data can also be uploaded to the computer for further analysis of the comparison.