go to Guangdong Modern International Exihibition center, Houjie Dongguan from Guangzhou airport

From the airport, you can take the airport shuttle bus to reach Dongguan Wanjiang Huanan Mall at Gate 5 of Arrival Hall. From Huanan Mall, you can easily reach the Dongguan General Bus Station, where you can find many buses for Houjie. Upon reaching Houjiu, you can take a taxi to get to the exhibition center.
The transportation is easy to find and take, but it may be a little complex when making the transfer. The whole journey may takes about two hours and a half.