FAMILY GOUP TO HANGZHOU DURING CHINESE NEW YEAR 2014-02

Hi, our family group (10 adults + 3 children below 5 years old) would like to travel to HZ for chinese new year vacation. We would like to check with you for the following:-
1 - Do you have an apartment for our group to stay so we no need book many room hotel.
2 - does the weather suitable for the children below 5 years old children?
3 - Which of the travel agent that we can look for for our group visit to HZ?
4 - What are the places(visit to place and nice food) that you will recommended to us during that time visit?
Thank you.