DÜKER

Valves of metal for fluids, steam and hot water circulation; metal pipes, metal pipework, metal pipe elbows, pipe junction sleeves of metal, metal pipe clips; metal shaped pieces and fittings for civil engineering, namely, for gas, water and waste water conduits laid underground; metal discharge pipe flaps, metal adapters, metal extension pieces, all the aforesaid goods of cast iron or steel, with or without an inner and outer protective coating in the form of enameling or a plastic coating

Metalworking machines for machining of pipes; foundry machines, casting machines and centrifugal casting apparatus

Pipes for sanitary facilities; regulating and safety devices for supplying water, namely, valves, stoppers, and shutters; water purification units; cokeless cupola furnaces

Pipes and pipelines of plastic; non-metal pipes

Metal coating, namely, enameling of metal pieces and plastic coating of metal pieces; metal treating and customized casting