... Mgo board to Korea 900*1800 MMAlso called : Magnesium oxide board,Glass magnesium board, Magnesium fire-proof board,Mgo boardWe are specialized magnesium oxide board ,glass magenesium board ... five years and had exported glass magenesium board for 3 years .Specification :1. purity :mgo 38-46%,mgcl 9-13%,palster of ... , no holes in the surface.4. easy to decorate Export Mgo board 8mm