They have been expressing their concern about this matter for a considerable amount of time now. We compared and contrasted the die-casting mold materials that were specified in the standards with the mold steels of the United States of America, West Germany, the United Kingdom, Sweden, and the Soviet Union during the late 1970s when we were in the process of translating the die-casting standards for DCSP1 aluminum alloy and DCSP2 zinc alloy that were developed by the Japan Die Casting Associati...