Canada–China relations by close to 600 business participants, eight provincial premiers, three territorial leaders, Minister for International Trade Pierre Pettigrew and Secretary of State (Asia-Pacific) Rey Pagtakhan. In 2003 Premier Wen Jiabao visited Canada. President Hu Jintao visited Canada in 2005 and met with Prime Minister Paul Martin. The two leaders announced a "strategic partnership" and said they would double trade within five years. Martin said he had discussions about human rights with Hu. Since 2003, China has been Canada's second largest trading partner, passing Britain and Japan. China now accounts for approximately six percent of Canada's total world trade (imports and
35th G8 summit invited to attend the summit and to participate in some, but not all, G8 summit activities. The G8 plus the five largest emerging economies are known as G8+5, including: Brazilian President Luiz Inácio Lula da Silva, Chinese President Hu Jintao, Indian Prime Minister Manmohan Singh, Mexican President Felipe Calderón and South African President Jacob Zuma. Hu Jintao curtailed his participation following the eruption of ethnic rioting in Ürümqi. In his place, State Councilor Dai Bingguo led the Chinese delegation at the summit. Previous G8 summits have invited other world leaders to participate; and the Italian duty Presidency invited a number