Advice previously provided across three parts would be brought together in the one location.
"China is our most rapidly growing tourism market and we need to ensure we're offering Chinese visitors the highest-quality experiences and meeting their expectations," Mr Key said.
Over the past year, more than 200,000 Chinese visitors came to New Zealand, up about 38 per cent on the previous year. They spent around $651 million here.
China is now the second largest source of overseas visitors to New Zealand.
The new moves are the result of a review of the China tourism market by a panel of New Zealand government and industry experts.
China Southern Airlines already has a fast-track arrangement with the Immigration Service for their gold and silver frequent flyers.
Unlike other travellers they don't have to produce evidence of sufficient funds to support themselves as long as they can show flight records for the previous two years.
Immigration chief executive Nigel Bickle yesterday re-signed the agreement with the airline during a visit by Prime Minister John Key to the airline's headquarters in Guangzhou.