SHANGHAI ,Jun.9-- According to the preliminary data from the General Administration of Customs, China's imports of unwrought copper and copper semis were 390,000 mt during May, with YTD imports from January to May at 1840,000 mt down 20.3% YoY.

China's exports of unwrought aluminum and aluminum semis were 460,000 mt in May, with YTD exports from January to May at 1950,000  mt, up 3% YoY.