Professional Waste Technology (1999) Public Company Limited announced earnings results for the full year ended December 31, 2019. For the full year, the company announced total revenue was THB 424.617 million compared to THB 274.392 million a year ago. Net income was THB 115.106 million compared to THB 33.428 million a year ago. Basic earnings per share was THB 0.06 compared to THB 0.02 a year ago.