PEXTEC

Penstock pipes of metal for transporting oil and/or natural gases; junctions of metal for oil pipelines or natural gas pipelines; screw-thread connectors of metal for gas-tight pipe connections for pipes for oil pipelines or natural gas pipelines; pipe muffs of metal for oil pipelines or natural gas pipelines; pipes of metal provided with screw-threads for oil pipelines or natural gas pipelines; manifolds of metal for pipelines; pipe strings of metal for the extraction of oil or natural gas; oilfield pipes and drill pipes of metal for searching for/exploitation of oil or gas

Pipeline construction and maintenance; fitting (laying) of pipes provided with screw-threads and/or screw-thread connectors of metal for gas-tight pipe connections; repair of pipes provided with screw-threads and/or screw-thread connectors of metal for gas-tight pipe connections; all the aforesaid limited to pipes for oil pipelines and natural gas pipelines and to oilfield pipes and drill pipes