China's copper concentrate imports rose 34.9% on year in February to 392,366 metric tons, the General Administration of Customs said Thursday.

Refined copper imports in February rose 177.9% to 148,679 tons.

In January-February, copper concentrate imports totaled 721,845 tons, up 23% on year, while refined copper imports totaled 280,530 tons, up 125.8% on year.

China is a large importer of copper concentrate in the world, sourcing most of its supplies from South America, Mongolia and Australia.

The following are tables of import and export data for copper, nickel, aluminium, alumina, bauxite, lead, zinc, tin and antimony as well as the leading importing and exporting countries from Jan. 1 to Feb. 28. The chart includes leading importing and exporting countries, origins of imports and destinations for exports. (All figures in metric tons unless otherwise stated.)