第二届中国非金属矿工业大会将于7月3日至5日在四川雅安举行。中国非金属矿工业协会碳酸钙矿物专业委员会成立大会将同期举行。经国家经贸委产业司函[2001]052号文，同意中国非金属矿工业协会设立碳酸钙专业委员会，并报经民政部审查以[2001]民社登字第9号文批复准予登记。本届 The 2nd China Non-metallic Minerals Industry Conference will be held in Ya’an, Sichuan from July 3 to July 5. China Non-metallic Mining Industry Association calcium carbonate mineral composition of the Commission will be held over the same period. With the letter of the Secretary for Industry and Commerce of the State Economic and Trade Commission [2001] No. 052, it was agreed that the China Non-metallic Minerals Industry Association set up a calcium carbonate special committee and submitted it to the Ministry of Civil Affairs for examination and approval in [2001] People’s Commune No. 9 document for approval. current