SHANGHAI ,Jun.8-- According to the preliminary data from the General Administration of Customs, China's imports of unwrought copper and copper semis were 430,000 mt during May, with YTD imports from January to May at 2310,000 mt up 22.1 % YoY.

China's exports of unwrought aluminum and aluminum semis were 420,000 mt in May, with YTD exports from January to May at 1900,000  mt, down 7.9 % YoY.