Understand this route
Practical route for “Seller says to contact the manufacturer”: keep purchase evidence, identify the proper recipient and check the next action.
What to do
1. Record the trader, purchase channel, date, item and desired outcome before sending a notice.
2. Keep only relevant evidence: order confirmation, payment proof, messages, photos or delivery records. A receipt is not the only possible proof.
3. Contact the trader or provider first through a reproducible channel and keep a copy.