Morning international cooperation j.s.c. is a trading firm specializing in importing and distributing minerals in Vietnam market.We got to know you from the internet.We are in need of Gypsum:Product NATURAL GYPSUM Quality Gypsum purity CaSO4.H2O >95% calculated by combine water methodCaO 32% minSO3 42% minFree moisture 3%Particle size 0-200mm maxQuantity: 200000MTIf you can supply us、 please do not hesitate to contact us、 we will exchange in more details.Best regards、Ms Fan ChunPhone