Cabot SuperMetals KK, Exotech Inc. (PINK:EXTC) and H.C. Starck GmbH announced that their tantalum is certified to be “conflict-free” by industry groups.

The market news is quoted as saying:

The voluntary program was set up before the U.S. Securities and Exchange Commission introduces rules on trading tantalum, tin ore, tungsten and gold from the Democratic Republic of Congo and its neighbors.

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