Based on vast industrial experience and 20 Years export history we excel in manufacturing best performing tools that never fail to industrial experts. Given the requirements of up to the mark Calibration Block and Ultrasonic Calibration Blocks we have specifically designed our manufacturing system to deliver only the best. Ervin Sanat Isatis Private Limited operates under Have Own Export License and is globally recognized as masters of Calibration Block owing to the optimum functioning and make. Since 2000, our exceptional services similar to that of a well renowned Calibration Block Manufacturer and Retailer and best in class Ultrasonic Calibration Blocks helped us gain Australia,Canada,Germany,France,United Kingdom crossing export ratio value of US$5 Million - US$10 Million. In terms of annual value we produce in the industrial sector we are rewarded back with yearly profit of Approx 2 Million US Dollar which can be concluded as a hard earned result for a professional enterprise that was first introduced in Tehran, Tehran, Iran with initial business capital of Above US$100 Million.