DWG drawing

I have opened a dwg in Rhino, the dwg is from another supplier so I did not created the drawing. I made som changes in the drawing and then exported the drawing as a PDF. Unfortunatly the PDF became pixelated. So I assume there might be some issus in the scaling…??

003_05-NOSEPAD_BONDING_test.pdf (31.7 KB)

check vector when exporting