This is pure speculation from me (not implying that friedcat doesn't answer incomplete requests), but are you sure that you included ALL relevant details: nb of units ordered, a phone number with int'l dialing code, a ZIP code, a correctly formatted shipping address with country,  and a real name (they need a contact person for DHL).

Another possibility is Gmail's spam filter. If you haven't already, I would suggest e-mailing from an @gmail.com address to reduce the chances of being spam filtered.

I have sent two (polite) e-mails and got an answer after 2-3 days, with payment address. I paid 2 hours later, and I got my tracking number about 55 hours later, but the shipment was made well within the promised 48 hours after payment. And the shipping was *very* expedited, just a bit more than 48 hours from Shenzhen to Geneva. So I have all reasons to be satisfied, especially in the context of (bad) business practices in the ASIC market.