Sioux County Expanse Purification Plant

Research and development, production, marketing: purification equipment, aluminium alloy products, steel fire doors, steel clean doors, windows, hardware products, metal live houses; purification works; import and export of self-employed and proxy goods and technologies (except goods and technologies for which the State limits business operations or bans imports and exports). General projects (for which authorization is required under the law and approval of the relevant department): manufacture of light-quality construction materials; manufacture of electrical switch control equipment (in addition to projects subject to authorization under the law, the operation is carried out autonomously under a licence)