BETH

Prefabricated filter housings, namely, metal framework structures

Pneumatic conveyors mainly consisting of pressure and vacuum generators, pipelines, dust removers, dust discharging apparatus; waste disposal installations, namely, food waste disposals mainly consisting of pneumatic conveyors with pipelines and vacuum generators, waste collectors of metal or plastic and waste grinders for garbage; dust exhausting and removing installations and de-dusting machines consisting of dust exhausting apparatus, namely, vacuum cleaners containing vacuum nozzles with tubes, pipelines, dust removers and vacuum generators for industrial purposes; electric dust removing apparatus, namely, vacuum cleaners; electric vacuum cleaners; electrical water pumps for wetting dust in buildings

Ventilating industrial fans; ventilation devices, namely, ventilating exhaust fans, dry and wet electrostatic precipitators for cleaning air

Maintenance and repair of dust exhausting and dust removing equipment, de-dusting equipment, dust exhausting apparatus, dust removers and vacuum generators, dust removing apparatus, vacuum cleaners, dust wetters, industrial fans, pneumatic conveyors, pressure and vacuum generators, dust removers, dust discharging apparatus, waste disposal equipment, vacuum generators, waste collectors and waste grinders

Technical planning, development and design of dust exhausting and dust removing equipments, de-dusting equipment dust exhausting apparatus, dust removers and vacuum generators, dust removing apparatus, vacuum cleaners, dust wetters, industrial fans, pneumatic conveyors, pressure and vacuum generators, dust removers, dust discharging apparatus, waste disposal equipment, vacuum generators, waste collectors and waste grinders