Keynote Address at the Inauguration Ceremony of the Section of the National Road No. 7 with the length of 196.8 km from Kratie Town to Stung Treng and Trapaing Kriel (Cambodia-Lao Border) under the Free Interest Concessional Loan from the People’s Republic of China and the 137 meter of Prek Chlong Bridge on the National Road 7 (Snuol, Kratie)”