Dear Mr. Yang.
I'm Thuy ( accoutant of Fukken & Minami Consultant Co., Ltd), Relating the records for the first payment- CONTRACT OF SOIL INVESTIGATION AND TOPOGRAPHIC SURVEY FOR EXTENSION ROUTE OF MRT LINE 1, Date september 23, 2016, we sent the hard copy of invoice to you on October 10, 2016. Can you send back it to us follows the address of our office.