Britain\'s relationship with China is \"at a period of great strength\", British Prime Minister David Cameron has said as he held talks at Number 10 with Chinese state councillor Dai Bingguo, Downing Street said. Meeting the Chinese official in Downing Street last night, Cameron said both nations wanted to see the \"complementary strengths of our economies grow together\". Cameron said leaders would be discussing the measures necessary to aid the world economy at the impending G20 gathering. Opening the meeting, he said \"I think the relationship between Britain and China is at a period of great strength. \"We are partners for growth. We both want to see the complementary strengths of our economies grow together and there\'s much to talk about there. \"We also have the upcoming G20 where we\'ll be discussing the stances that we need to take to get the world economy moving to meet all those challenges too.\" The pair previously met in 2009. Four members of the leadership of the State Council, China\'s central government, have been to London this year