The "Technical Design Standards for Tin Smelters" is now approved as a national standard, numbered GB51412-2020, and will come into force on August 1, 2020. Among them, 3.0.11, 3.0.14, 3.0.15, 3.0.16, 7.1.8, 8.0.15, 9.2.11 (3, 4), 12.4.4 (1), 12.4.6, 12.5.2 Articles (paragraphs) are mandatory and must be strictly enforced. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by the China Planning Publishing House organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China January 16, 2020
GB 51412-2020 history
2020GB 51412-2020 Process Design Standards for Tin Smelters