Cast IronPistons Manufacturers Esco is one of the best known manufacturersof cast iron pistons in Taiwan. Our cast iron pistons are madewith top quality. We are one of customers’ best choices among worldwide manufacturers. ESCO DIESEL CAST IRON PISTONS FOR HEAVY DIESEL ENGINES SUCH AS CAST, CATERPILLAR, CUMMINS, DETROIT DIESEL, HINO, ISUZU, JOHN DEERE, KOMATSU, KUBOTA, MITSUBISHI,  NAVISTAR, PERKINS, VOLVO, YANMAR, ETC.