General Plastic Industrial (TPE:6128) posted a net profit attributable to owners of NT$36.0 million in the first quarter, or NT$0.28 per basic share, according to a Wednesday disclosure on the Taiwan Exchange.
Shares slid over 3% in Thursday's late morning trade.
The imaging supplies manufacturer did not provide comparative year-ago figures.
Operating revenue amounted to NT$1.34 billion, it said.