International Organization       The International Lead and Zinc Study Group (ILZSG) International Council on Metals in the Environment (ICME)       　Association   International American European & Oceanian International Zinc Association.(IZA) American Zinc Association (AZA) European General Galvanizers Association       European & Oceanian European & Oceanian European & Oceanian Zinc Fonderie ProGalva (Belgium Hot Dip Galvanizers Assocation) Galvanizers Association of Australia         　Zinc related companies   North & South America North & South America North & South America Eastern Alloys Noranda Teck Cominco Limited       North & South America Europe & Oceania Europe & Oceania Zinc Industrias Nacionales S.A Outokumpu Norzinc AS       Europe & Oceania Europe & Oceania     Rheinzink - Titanium Zinc Pasminco           　 Others           London Metal Exchange 한국철강신문 (Korea Metal Journal)