It is a winter vacation from 2017/12/16 (Sat.) to 2018/1/8 (Mon.).
During winter vacation, our office is open from 10:30 a.m. to 4:30 p.m., from Monday to Friday.
Our office closes from 2017/12/28 (Thu.) to 2018/1/3 (Wed.).
Sorry for inconvenience and thank you for your understanding.