As a globally renowned thread gauge manufacturer, JBO from Germany provides you with the highest quality thread tools with over 160 years of professional thread tool production experience. All of our products are originally from Germany, and our quality control system has passed the DIN EN ISO9001 quality system certification. Each product undergoes strict quality testing before leaving the factory. In addition to conventional gauges, our expert team places more emphasis on in-depth communication with customers and provides personalized solutions that better suit you.