Shuttle from Baiyun Airport to Grand Continental Service Apartment

Do you mean 12:30 after midnight or after the noon? If you mean the midnight, you can take shuttle bus line 1 to its final stop, the train station area and then take a taxi to the hotel. Normally, a taxi can fix 5 people including the driver. Since you have 5, you need to negotiate with the taxi driver. The bus fare is CNY16/person and the taxi cost may be within CNY20. If you mean the noon, you can take shuttle bus line 5 from the airport to Haizhu Square, then walk about 5-10 minutes to Beijing Road to find the hotel. The bus fare is CNY20/person.