Two things that stood out to me:
1. Prompt response. They will answer any inquiry, any time of day. I sent an email late in the day and received a response. It was past midnight in Germany.
2. Mistakes. Spelling errors and submitting duplicate invoices. There were a few spelling errors in the email (I understand English may not be their native language), but seriously? There were two invoices issued for the same purchase. Just really strange.
3. No german language option: Hsicchip is a German company with no German language option?
Thanks,
Tarun S