Alcohol 0.75 liters

Dear Sirs,

I will be traveling to Shanghai on June 12, 2106 via Hong Kong, and I want to buy duty free Alcohol from Hong Kong Airport, then to take High Speed Train to Hangzhou on June 13, 2016

Am I allow to take on board alcohol bought from Hong Kong (With package still sealed), volume 0.75 liters?

Much appreciate if you could give me a reply soonest before my travel date on June 12, 2016

Regards,
Francis Voon