Not by itself. Explain the actual special or advanced knowledge and how the proposed assignment would use it, with the other L requirements. Ask the employer to point to the revision where its own method departs from the supplier's published instruction. A certificate records attendance at someone else's course; a dated internal procedure records what the organization built, and the second is what the standard is concerned with.
Identify the organizational knowledge
Distinguish general product competence from the employer-related knowledge relied on. A certificate may support part of the history without establishing the whole claim. Avoid treating the brand of equipment as the immigration test.
Set the two bodies of material side by side and mark the differences. Supplier manuals, published specifications and certification syllabi describe what any purchaser can learn; internal procedures, tolerances, sequencing rules and troubleshooting guides describe what this employer worked out. The governing condition stays constant while that comparison is made: L-1B requires one continuous year of qualifying employment abroad within the preceding three years with a related entity, and knowledge that is special or advanced rather than merely current.
A brand name on a certificate reaches neither element, and a file that leads with the certificate tends to bury the material that would. Where the comparison produces nothing, that is a finding worth having early rather than after a petition is prepared.