how calculated fare taxi in shenzhen

Most taxis charge the fare by meter.

why does it take from hou rui metro station if we want to grand mercury hotel not stright from airport east station ? i ask it cause from your answer before.

Since the end of 2013, all flights arrived at the new terminal building of the airport, which is beyond walking distance from Airport East metro station. Therefore, the authority arranges a shuttle bus from the new terminal to the nearest metro station - Hourui. That is why you are suggested not reach Airport East on metro.