Rollers for the mining excavator HITACHI EX5500, a 500-ton machine, are now available. Thanks to an agreement signed in 2019 with ITM – ITALTRACTOR, ERMA SRL can now offer a full range of mining components, expanding its service to mining business partners in the 5 continents. The above agreement allowed ERMA SRL to improve its position in the market while preserving the top quality level of its article, which is a distinctive feature of the firm. Contact us for further information on components for machines up to 500 tons.