1 chemicals, namely, silanes, hydrochloric acid, silicon, gallium-gadolinium garnet for use in electrical, electronic and microelectronic industries; doped and undoped organic polymers for use in manufacturing conductors and semiconductors; inorganic compounds in the form of hyperpure crystals used in the electrical, electronic and microelectronic industries; doped and undoped polycrystalline and monocrystalline incorganic compunds in the form of crystals, granules, and powders in sawed, lapped, polished, etched and coated form used in the manufacture of semiconductors; doped and undoped polycrystalline and monocrystalline inorganic compounds in the form of rods, tubes, sheets (wafers) and moulded bodies, in sawed, lapped, polished, etched and coated form