1st Update Letter to SP – 31 Aug 2017 (English) Letter to SP – 31 Aug 2017 (Chinese) 2nd Update Letter to SP – 19 Sept 2017 (English) Letter to SP – 19 Sept 2017 (Chinese) 3rd Update Letter to SP – 15 Dec 2017 (English) Letter to SP – 15 Dec 2017 (Chinese)
