CAD drawings
Engineering drawing: used to draw engineering drawings, mechanical drawings, topographic maps, etc. It requires a tight and strong texture, semi transparent, matte, and low dust content for easy drawing and reading.
Art painting: suitable for water supply color painting, pencil painting, charcoal painting, etc. It requires paper to be clean, white, thick, friction resistant, with good water resistance, not easy to fuzz, and bright colors.
Engineering printing: Engineering printing paper is mainly used for printing engineering drawings and can be output through engineering printers.
Engineering drawing: Engineering drawing is used to outline engineering or mechanical design drawings and book illustrations, requiring a smooth paper surface with good wear resistance, water resistance, and ink absorption.