Charles Liu
International customer enquiries, RFQ coordination and project communication.
charles@hxlfab.com →Shared mailbox: sales@hxlfab.com →
Lightweight inquiry
Start with what you have.
Charles Liu is the named contact for international customer enquiries. Files are helpful, but they are not required for the first conversation.
Choose the shortest useful path
You do not need a complete fabrication package to ask a question.
Use email for an early technical or commercial question. Use the secure RFQ when production data is ready and you want a traceable quotation record.
Shared mailbox: sales@hxlfab.com →
Submit a secure RFQ
Configure the board and upload Gerber, ODB++ or related fabrication files through the private RFQ route.
Open RFQ workspace →Request qualification documents
Ask for current certificates, scope documents and the quality records relevant to your program.
Request document pack →Useful first-message details
A short brief prevents an unnecessary email loop.
- Board type and approximate layer count
- Prototype, pilot or production quantity
- Material, impedance, via or copper requirements
- Target decision or delivery date
- Whether Gerber / ODB++ files are ready
- Any required certification, report or packaging condition
Before restricted data is uploaded
If an NDA, export-control review, government-program restriction or customer-specific data workflow applies, contact the team first and agree the handling route in writing.