Anti-dumping duty on seamless steel tubing from China imposed, with specification-based benchmarks and defined application period. Imposes a definitive anti-dumping duty on seamless tubes, pipes and hollow profiles of iron, alloy or non-alloy steel (excluding cast iron and stainless steel) from the People's Republic of China following findings of dumping and material injury; specifies company- and specification-specific duty benchmarks per metric tonne, payable in currency as converted under customs exchange rules, lists product specifications and exclusions, and sets the duty's effective period with an identified non-levy gap and an express terminal provision.