To verify a solar supplier's credibility, check four things before you order: product certification (genuine IEC/UL test reports and datasheets, verified against the issuing body's database), company documents (business licence, ISO certificates, and a recent factory audit from a recognised inspector), the real production source (if buying through a trader, confirm which factory actually makes the goods), and track record (references, trading history, and how forthcoming the supplier is with documents). A credible supplier produces certification and company papers readily and lets you verify them; a supplier who resists sharing documents or cannot prove their factory is the clearest warning sign to walk away.
”- Verify product certification, company documents, the real factory, and track record before ordering.
- Check certification numbers against the issuing body's database, do not take a PDF at face value.
- Request a recent factory audit from a recognised inspector (SGS, TUV, Bureau Veritas).
- If buying through a trader, confirm which factory actually produces the goods.
- A supplier who resists sharing documents is the clearest signal to walk away.
Why verification is the cheapest insurance
The most damaging outcomes in solar trade, paying for goods that never arrive, receiving non-compliant modules, or discovering the supplier was a broker with no real product, all trace back to skipping verification. Checking a supplier before you order is the cheapest insurance you can buy. It costs a little time up front and prevents losses that are slow and often impossible to recover across borders.
Check the product certification
Start with the product. Ask for the IEC or UL test reports for the exact model, and the datasheet. Then verify them, check the certificate number against the issuing body's online database rather than taking a PDF at face value, because fake or expired certificates exist. A genuine supplier will not object to you verifying. For modules, also ask for a flash report tied to your order to confirm real output.
Check the company and the factory
Verify the business itself: the business licence, ISO 9001 and 14001 certificates, and a recent factory audit from a recognised inspector such as SGS, TUV or Bureau Veritas. The audit confirms there is a real factory with real capacity behind the quotes. If you are buying through a trading company, ask which factory actually produces the goods and request that factory's documents, because you are ultimately relying on the factory's quality, not the trader's sales pitch.
Check track record and responsiveness
Finally, assess track record and behaviour. Ask for references or trading history. Pay attention to how the supplier responds to your document requests: a credible one shares certification and company papers readily and welcomes verification, while an evasive one who delays, deflects or cannot produce documents is telling you something important. In solar trade, a supplier's willingness to be verified is itself one of the strongest signals of credibility, and resistance to it is the clearest reason to walk away.
Quote the whole BOM from one RFQ
VyaparCred lets you post your entire bill of materials as a single RFQ, so verified suppliers across every corridor quote the full list against the same specification.
Post the complete BOM once, and get verified quotes on every line in 24-48h.
Certification status (ALMM, IEC) is confirmed per line before a supplier can quote.
Attach Pre-Shipment Financing to the accepted order and fund up to 100% of the purchase.