Product development consultation; Product research and development; Research and development for new products for others

Bookmarks; Engravings; Envelopes; Paintings; Pens; Stationery; Stickers; Boxes of paper; Document files; Drawing instruments; Garbage bags of paper or of plastics; Gift bags; Magnetic boards being office requisites; Notebook paper; Oil paintings; Painters' brushes; Painters' easels; Paper-clips; Paper party decorations; Papers for painting and calligraphy; Pen and pencil holders; Pen cases; Printed greeting cards; Printed invitation cards; Printed note cards; Printed notebooks; Printed promot...