List of machine-equipment subject to local content requirement in construction work tenders under Law No. 4734:
1. Plastic parts for locomotives, wagons, railway or tramway track fixtures, mechanical signaling, safety or traffic control equipment
2. Ceramic electrical insulators (excluding those with metal parts)
3. Ceramic electrical insulators for overhead power transmission or traction lines (including those with metal parts, excluding lightning arresters)
4. Ceramic electrical insulators (including those with metal parts, excluding those for overhead power transmission or traction lines and lightning arresters)
5. Concrete sleepers
6. Other prefabricated construction elements of cement, concrete or artificial stone (not elsewhere classified)
7. Railway materials of iron or steel
8. Seamless steel drill pipes and tubes for oil or gas drilling
9. Seamless steel tubes and pipes for oil or gas drilling (excluding those made of stainless steel)
10. Cold-drawn or cold-rolled precision steel tubes and pipes (excluding those made of stainless steel)
11. Cold-drawn or cold-rolled steel tubes and pipes (excluding precision tubes and pipes, and those made of stainless steel)
12. Seamless steel tubes and pipes, hot-rolled (excluding those for oil or gas pipelines, and oil or gas drilling)
13. Seamless steel tubes and pipes (excluding those with circular cross-section)
14. Welded steel tubes and pipes for oil or gas pipelines (with a circular cross-section, external diameter > 406.4 mm)
15. Welded steel tubes and pipes for oil or gas pipelines (excluding those with a circular cross-section, external diameter > 406.4 mm)
16. Welded steel drill pipes for oil or gas drilling (with a circular cross-section, external diameter > 406.4 mm)
17. Welded steel tubes and pipes (with a circular cross-section, external diameter > 406.4 mm, excluding those for oil or gas pipelines and drilling)
18. Steel tubes and pipes with a circular cross-section, having an open seam, riveted, welded or similarly closed (external diameter > 406.4 mm, excluding those for oil or gas pipelines, drilling, and welded tubes and pipes)
19. Welded steel tubes and pipes for oil or gas pipelines (with a circular cross-section, external diameter ≤ 406.4 mm, made of stainless steel)
20. Welded steel tubes and pipes for oil or gas pipelines (with a circular cross-section, external diameter ≤ 406.4 mm, made of steel other than stainless steel)
21. Welded steel drill pipes and tubes for oil or gas drilling (with a circular cross-section, external diameter ≤ 406.4 mm, made of stainless steel)
22. Welded steel drill pipes and tubes for oil or gas drilling (with a circular cross-section, external diameter ≤ 406.4 mm, made of steel other than stainless steel)
23. Welded steel tubes and pipes (with a circular cross-section, external diameter ≤ 406.4 mm, made of stainless steel, excluding those for oil or gas pipelines and drilling)
24. Welded precision steel tubes and pipes (with a circular cross-section, external diameter ≤ 406.4 mm, made of steel other than stainless steel)
25. Welded steel tubes and pipes (with a circular cross-section, external diameter ≤ 406.4 mm, made of steel other than stainless steel, hot- or cold-formed and welded)
26. Welded steel tubes and pipes (not having a circular cross-section, hot- or cold-formed and welded, made of stainless steel)
27. Welded steel tubes and pipes (with a square or rectangular cross-section, wall thickness ≤ 2 mm, hot- or cold-formed and welded, made of steel other than stainless steel)
28. Welded steel tubes and pipes (with a square or rectangular cross-section, wall thickness > 2 mm, hot- or cold-formed and welded, made of steel other than stainless steel)
29. Welded steel tubes and pipes (not having a circular, square or rectangular cross-section, hot- or cold-formed and welded, made of steel other than stainless steel)
30. Steel tubes and pipes having an open seam, riveted, welded or similarly closed (excluding those for oil or gas pipelines, drilling, and welded tubes and pipes)
31. Steel flanges (excluding cast fittings)
32. Steel elbows and similar fittings, pipe and tube fittings (excluding cast fittings)
33. Steel pipe and tube fittings, socket-welded (excluding cast fittings)
34. Butt-welded steel elbows and similar fittings for pipes or tubes (excluding cast fittings)
35. Butt-welded steel fittings for pipes or tubes (excluding elbows and cast fittings)
36. Aluminum wires (excluding insulated electric wires and cables, aluminum-clad steel wires and cables, and braided or coated wires and cables)
37. Copper and copper alloy tube/pipe fittings, elbows and flanges (excluding nuts and bolts for mounting tubes/pipes, and threaded fittings and valves)
38. Malleable cast iron parts for land vehicles, piston engines, and other machinery and mechanical appliances
39. Other malleable cast iron parts
40. Ductile cast iron parts for machinery and mechanical appliances (excluding those for piston engines)
41. Grey cast iron parts for machinery and mechanical appliances (excluding those for piston engines)
42. Cast iron tubes, pipes, and hollow profiles (excluding radiators and machine parts)
