岛国av动作片_色爱区综合_亚洲一区在线观看无码欧美_99热这里_2019国产精品_乡村三代乱惀小说伦_韩国美女视频在线观看18_免费黄视频在线观看_9999精品_国产黄色免费网站_91精品国产99久久久久久红楼_在线看日韩_中字HD与上司出轨的人妻_黄色图片网址_美女污

The International Conference on Sustainable Development and Exhibition of Lead and Lead Battery organized by India Zinc Lead Development Association was held in New Delhi, India from July 28 to 29, which was attended by more than a hundred enterprises from India, China, Italy and other countries. ENFI attended the exhibition jointly with China Non-ferrous Metal Industry's Foreign Engineering and Construction Co., Ltd., and introduced its three major business areas – engineering integration (engineering design, consultation and EPC contracting), new energy and resource development while presenting ENFI's core specialty – oxygen bottom-blowing technology and oxygen bottom-blowing continuous converting technology.

Wu Weiguo from the Metallurgy Department I of ENFI gave a speech entitled China's Secondary Lead Recycle Process and New Technology for Continuous Reduction Smelting of Diachylon in the forum. The paper China's SKS Lead Smelting Technology written by Deng Zhaolei from the Metallurgy  Department I of ENFI was also included in the collection of conference papers.