Question 1

How to verify a supplier's UL certification is legitimate?

Accepted Answer

Search the UL Product iQ database using the supplier's UL file number. Note the difference between UL Listed and UL Recognized. All Compare2Best certified brands undergo manual verification.

Question 2

How to evaluate a new supplier's reliability in B2B procurement?

Accepted Answer

Three steps: (1) Third-party factory audit reports (ISO 9001/BSCI), (2) Export history and order verification, (3) Sample testing + trial order. Compare2Best Grade A certified brands require 90%+ data completeness and 3+ years export record.