PdfContentByte pcb = pw.getDirectContent();

            pcb.beginText();

            pcb.setFontAndSize(bfChinese, 12);

            pcb.setTextMatrix(550,120);

            pcb.showText("发  证  税  务  机  关");

            pcb.endText();

            pcb.beginText();

            pcb.setFontAndSize(bfChinese, 12);

            pcb.setTextMatrix(540,100);

            pcb.showText(swdjz.getHzdjrq());

            pcb.endText();