Request for information from Guangzhou to Tianjin

Hi;

i want to know that how i can go to Tianjin from GZ airport, this is the 1st time that i want to go to Tianjin from GZ airport.
is it difficult to travel from GZ airport to Tianjin city if I take a taxi r a plan? i want to go to Tianjin by metro r by train either plz let me know about the booking procedures does it need booking ticket for metro/trains? so please kindly inform me about it, if kindly send my requested info via my email: edriss98yahoo.com it will be high appreciated.