人妖videosex高潮另类I97男人的天堂I国产三级av片I久久99精品久久久I国产不卡精品视频I国产区精品I国产精品理论片I超碰pronI亚洲午夜久久久久久久久久久I自由 日本语 热 亚洲人I风韵丰满熟妇啪啪区老熟熟女I亚洲在线看片I日韩人妻无码精品久久久不卡I亚洲九九I香蕉色网I成人美女毛片I一区二区三区av夏目彩春I三上悠亚亚洲一区I色综合视频网站I天天想夜夜操

In the morning of December 16, the grand commencement ceremony of 100000t/a cathode copper project for Qinghai Copper Co., Ltd. was held in Xining City, Qinghai province. ENFI President , Mr. Wu Shaohui, together with Deputy Governor of Qinghai Province, Mr. Wang Liming, and Chairman of board of Western Mining Group Co., Ltd., Mr. Zhang Yongli, attended the ceremony.

In his  greeting speech, Wu said that the oxygen bottom-blowing smelting & converting process is adopted for the 100000t/a cathode copper project of Qinghai Copper, featuring wide adaptability to different feed compositions, lower CAPEX and OPEX, high recovery, safety and reliability and energy-conservation, a process which is considered  the most advanced and competitive copper smelting process in the world. Mr. Wu also said that in undertaking the overall project design and EPC of critical works in the smelting area, ENFI will bring its strengths of technology, talent and management into full play with support of the provincial government and the client and by closely collaborating with participating companies; ENFI will strictly implement quality and safety control, ensure the project progress, build an excellent project and set a benchmark for the metallurgical industry.