Brilliant solutions for perfect surfaces - more than a trader! joke Technology GmbH is dedicated to the perfection of surfaces and combines the highest quality with excellent service. Today, joke is Europe's largest specialist trade and the ideal contact for everything related to fine machining for surface finishing. Our portfolio includes over 20,000 items, which, if they are in stock, will be with you within 24 hours. Customer advisors in Germany and Austria are at your disposal. Likewise partners across Europe, Russia and China. Do you have any special requests? Our product managers find a solution. We also offer training in the areas of polishing, welding, deburring and lapping.