Our company is located in SHENZHEN, Guangdong province. It is very near Hong Kong and Guangzhou (Canton fair).
A. From Hong Kong airport ----SHENZHEN
It takes 1 hour by shuttle bus (every 10 minutes) from airport to Huanggang border (SHENZHEN).
You can get the visa to China at Hong Kong airport after 4 hours application.
B. From Guangzhou (The place hold the Canton fair)
It takes 55 minutes by shuttle train (every 20 minutes)