一九七四年是国外球团生产得到工业性发展的第二十个年头。一九七四年,国外球团总产量达到一亿七千二百万吨。球团产量数字说明球团工艺的发展程度。在国外球团生产发展的头十年(算至一九六四年),球团总年产量增长到四千五百万吨,约为今天国外总年产量的26%。在从一九六五年到一九七四年这第二个十年内,球团生产得到了巨大发展。在一九七四年,有下列七家公司建造或投产了新球团厂: 1974 is the twentieth year of industrial development of pellet production abroad. In 1974, the total output of foreign pellets reached 172 million tons. Pellet production figures illustrate the degree of development of the pellet process. In the first decade of overseas pellet production (counting to 1964), pellets’ total output increased to 45 million tons, about 26% of the total foreign production today. In the second decade from 1965 to 1974, pellet production has seen tremendous growth. In 1974, the following seven companies built or started the new pellet plant: