I will be taking a high speed train to Hangzhou East Railway Station

And thinking of taking metro to Wulin Square station.

I understand from research that the Z card is a good card for tourist to use for metro, bus, bicycle etc. However, am I right to say that Z card is not available for purchase at Hangzhou East metro station? So I will have to use cash for this first metro ride?

Furthermore, am I right to say that there is a need to pay CNY25 maintenance fee (nonrefundable) for each Z card and there is a specific place to do the refund?

If so, then I feel that it is rather troublesome to get the Z card and I should stick to using cash for public transport?

Thank you. :)