Sourcing order
1
JLCPCB stock
Checked first, confirmed against its live API.
2
Authorized distributors
Digi-Key, Mouser, LCSC and others. Bought by ProvenMetal and shipped to JLCPCB. Never brokers or Global Sourcing.
3
ProvenMetal's team
Anything unbuyable goes to the team, with the reason in the quote.
Missing part numbers
Lines with only a value or symbol (LED_Red) return needs_part_numbers. Add exact part numbers, or pass staff_picks_parts=true.
Replacements
Approve with
substitutions, one per reference:
The agent gets your explicit approval before passing any replacement.
Your own parts
List parts you’ll send incustomer_supplied_refs (ship to 1230 Howard St, San Francisco, CA 94103). Unpopulated parts go in do_not_fit_refs.