... )Packing Material: world famous brand material, such as Kromasil, Luna, YMC, Daiso etc.Semi-Preparative HPLC ColumnDimension: ID 20mm, 30mm, 50mm ... )Packing Material: world famous brand material, such as Kromasil, Luna, YMC, Daiso etc.*We can also produce HPLC columns on the ...