BANGKOK, Jan. 20 (Xinhua) -- The following are the official noon FOB prices of Ribbed Smoked Sheets Grade 3 (RSS3) rubber at Thailand's southern central market in Songkhla province and in the capital on Monday in baht per kilogram (about 32.67 baht to 1 U.S. dollar):
Monday Friday
Bangkok 77.50 77.50
Songkhla 77.25 77.25
