Grado HP1000 for 38888 RMB (approx. 6000 USD)
Grado HP1 and PS1 are 48888 RMB (approx. 7500 USD)
Sennheiser HE60 for 49999 RMB (approx. 7600 USD)
SONY Qualia and R10 are a mind-boggling 58888 RMB (approx 9000 USD )
I know these are rare, but are they really worth this much? The grados are like quintuple the asking price new.