I don't know about the prices cause they really change according to the servers. But for chinese names, just go to http://wow.allakhazam.com/!
They have a database of all objects in any language of the game.
Look for Nether Vortex for instance, change the language to chinese and you get the name: 虚空漩涡.
I remember faces easily, but I'll make an exception for you.
A frog's life
A frog's life sur facebook
Ze blog BD sans dessin