43121100 - Wellhead running tools

CPV code 43121100 in the EU Common Procurement Vocabulary refers to Wellhead running tools. It sits at level 5 of the CPV hierarchy as a subcategory within the 43 division. This code is nested directly under 43121000, narrowing the broader category into the specific area of wellhead running tools. As a leaf code, 43121100 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns wellhead running tools. Contracting authorities across the EU use 43121100 in TED notices and national procurement portals to signal that a tender relates to wellhead running tools.