On May 8, 1975, the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On May 8, 1975, the Central Committee of the Communist Party of China convened the National Steel Industry Symposium. On April 1, 1975, the Central Committee of the Communist Party of the Communist Party of China