Department of Mining and Petroleum Engineering, Chiang Mai University and Rajamangala University of Technology, Lanna, provided the training course on “Production and costs of mineral processing and related regulations” for officials from Department of Mine, Ministry of Energy and Mines, Lao PDR; Mr. Vongthong  Pakasit  Ms. Siphivone  Souvongtha  Mr. Phuvin  Khamphuvone Mr. Sonephet  Soulivan and Mr. Siphone  Homngeune also site visiting Barite mine in Phrae and Fluorite mine in Lamphun during 14-22 February 2016.  And also welcome Mr. Eravanh  Boungnaphalom (Deputy Director) and Mr. Soukhansak  Sisouk (Head of Division) for future collaboration and site visiting Tin-Tungsten mine in Chiang Mai during 19-22 February 2016.[gallery link="file" order="DESC" orderby="title"] ]]>