All raw materials are supplied from reputed suppliers and undergo the strictest control at in-house laboratories. Shot-blasting is used to clean, strengthen and polish metal used for wheel manufacturing. JANTSA utilizes high-strength steels to assure light steel weight at the highest payload. With 2 automatic steel de-coiling lines we manufacture discs with thicknesses from 4 mm to 19mm and rims with thicknesses from 3 mm to 12 mm. Sophisticated laser-cutting workshop, enables us to fulfil special design requests.