建国三十五年来,我国化工矿山迅速发展,取得了很大的成就。1983年,全国磷矿总产量已增达1163.8万吨,硫铁矿产量共达735.5万吨,分别比解放前磷、硫两矿最高年产量增长了164倍和105倍,为我国化肥、硫酸产量跃居世界前列作出了积极的贡献。党的十一届三中全会以来,我国重晶石产量也已进入世界前列,其他十几种化工矿产 Thirty-five years since the founding of our country, the rapid development of chemical mines has made great achievements. In 1983, the total output of phosphate rock in the country had increased by 11.638 million tons and the total output of pyrite reached 7.355 million tons, which were 164 times and 105 times higher than the maximum annual output of phosphorus and sulfur mine before liberation respectively. Production has leapt to the forefront of the world to make a positive contribution. Since the Third Plenary Session of the 11th CPC Central Committee, China’s barite production has also entered the world’s top ten other chemical and mineral products