HANOREF CO., LTD in Vietnam, we specialize in providing products: FLOURIT( CaF2 ), SAND QUARTZ ,QUARTZ POWDER , FELDPAR POWDER ,MICA POWDER, KAOLIN CLAY ,CALCINED KAOLIN,META KAOLIN, CALCINED DOLOMITE , CALCINED LIMES, (CaCO3Calcium Carbonate Powder, LIQUID SODIUM SILICATE (Na2SiO3 we are looking for cooperation opportunities between you and our company. you can go to our website: http://www.hanoref.com/ and contact us by email: hanorefbc@gmail.com. Thank you