Professional Waste Technology (1999) Public Company Limited reported earnings results for the first quarter ended March 31, 2023. For the first quarter, the company reported sales was THB 10.22 million compared to THB 38.15 million a year ago. Revenue was THB 18.68 million compared to THB 96.8 million a year ago.

Net income was THB 8.5 million compared to THB 37.45 million a year ago. Basic earnings per share from continuing operations was THB 0.0042 compared to THB 0.0184 a year ago.