EghtesadOnline: Semnan’s mines extract 10 million tons of gypsum every year, says the head of Industries, Mining and Trade Organization of the province.

EghtesadOnline: A total of 2.46 million tons of stones, gypsum, sand and gravel worth $1.3 billion were exported from Iran in the first five months of the current Iranian year (March 20-Aug. 21).