To export indium, molybdenum and products manufactured with both items, companies need to go to local commerce departments to get the license and export quota, and they would have to present the license at the customs, according to the bulletin.

Both indium and molybdenum are unrenewable rare metals which are widely used in defense industry, aviation and space sectors, information industry and the manufacturing sector.

The country will also introduce export licenses for standard sand from June 15, according to the two departments.