I stood in line the whole time, but in the end they didn't serve me. They told me to wait. I waited another 15 minutes just like that. Although I just had to put money on the card. What is done in 1-2 minutes.
The service is good, the staff are kind and polite, friendly. The attitude towards people is kind-hearted with a smile and will always prompt and help with operations. The only drawback is that you stand in line for a long time and that's probably it.