gypsum mining companies in oman
About Raw / Natural Gypsum Mining Company Oman . GMC is the first Company in the Sultanate of Oman, which supplies raw gypsum with high purity (above 90 %) to the Cement Companies throughout the Gulf Area, India, Japan, Vietnam, Indonesia African countries. GMC is the sole dealer to Raysut Cement Company in the Sultanate of Oman since 1999 with the annual contract of 200,000MT. GMC .