During 9th of March and 14th of March, a 7member delegation from the head office of GLENCORE visited CINF for technical communication and investigation. GLENCORE asked about the Pb & Zn metallurgy technology and equipment manufacturing ability of CINF, and visited the projects designed by CINF such as the Zhuzhou smelter, Danxia Smelter and Jiangxi Copper Smelter. Prof. Zhang Leru and Prof. He Xingmin, the deputy chief engineers of CINF, accompanied the delegation during the onsite inspection.