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The International Deep Drawing Research Group (IDDRG) was started in the late 1950s as an organization of national groups devoted to the study of sheet metal forming including forming processes, materials, formability issues, tooling and tribology.The IDDRG conferences started in 1960 is taking place every two years, recently every year at alternating locations around the globe: 4 times in France (1960, 1980, 2005, 2014), 3 times in Germany (1962, 1986, 2004), Sweden (1974,1990, 2008) and USA (1976, 2000, 2009), 2 times in Belgium (1966, 1998), Italy (1968, 1982), Japan (1970, 2002), Portugal (1994, 2006) and Hungry (1996, 2007),1 times in UK (1964), Netherland (1972), Australia (1984), Canada (1988), China (1992), Slovenia (2003), Austria (2010), Spain (2011),India (2012) and Switzerland (2013).The 35th International Deep Drawing Research Group Conference came back to China again and was held in Shanghai on May 31-June 3, 2015.