Phú Nhuận Jewelry Joint Stock Company (PNJ) targets net revenues of more than VNĐ21 trillion (US$910.09 million) and net profits of VNĐ 1.23 trillion ($53.3 million) this year, up 20 per cent and 15 per cent from last year, its chairwoman, Cao Thị Ngọc Dung, has said.