Professional Waste Technology (1999) Public Company Limited announced earnings results for the full year ended December 31, 2020. For the full year, the company announced total revenue was THB 214.545 million compared to THB 316.793 million a year ago. Operating loss was THB 3.264 million compared to operating Income of THB 33.797 million a year ago. Net loss was THB 867,453 compared to net income of THB 115.106 million a year ago. Basic loss per share from continuing operations was THB 0.0004 compared to basic earnings per share from continuing operations of THB 0.06 a year ago.