«Istochnik Plus», JSC, is a developer and producer of impulse, heat-resistant, explosion-proof, high-altitude powder fire extinguishing modules, gas fire extinguishing generators, modular water spray and high expansion foam fire extinguishing sets, and aerosol firefighting generators under “TUNGUS” trade mark, which provide fire protection of objects of different purpose and configuration, in automatic, autonomous, self-actuating and manual modes at early stage of fire origin.