Silica-Sand Bangladesh Import and Export Companies

We need Flat glass raw material such as Silica Sand, Dolomite, Limestone, Soda Ash, Salt cake, Feldspar, Carbon Powder for application of making Float Glass

I am wondering if While Silica Sand/quartz are available for export from Turkey to be used for Glassware manufacture

At present, we are looking for Dolomite,limestone and silica sand. which will be used in float glass manufacturing project.