BEIJING, May 5 (Xinhua) -- China exported 200 million U.S dollars worth of tungsten-based chemicals in the first quarter of this year, down 11 percent, and imported 40 million U.S. dollars worth, down another 11 percent, sources with the China Tungsten Industry Association said on Saturday.

The tungsten exports stood at 5,955 tons, down 6.4 percent, and imports at 1,509 tons, down 11 percent.

The total arrivals included 396 tons of tungsten products, up 22 percent, and 1,113 tons of tungsten concentrates, down 19 percent.

The net exports of tungsten concentrates amounted to 4,446 tons in the three-month period, the sources added.