1. Coated paper, also known as coated printing paper, is called art paper in Hongkong and other regions; Matte coated paper is called matte paper. It is an advanced printing paper made of base paper coated with white paint. It is mainly used for printing covers and illustrations of advanced books and periodicals, color pictures, all kinds of exquisite commodity advertisements, samples, commodity packaging, trademarks and so on. 2. Writing paper is used for ink writing, and the paper is required not to be burnt when writing. Writing paper is mainly used for printing exercise books, diaries, forms and account books. Writing paper is divided into special number, No.1, No.2, No.3 and No.4.. Weight: 45,5,6,7,8 (g/m2). 3. Light Weight Coated Paper is the abbreviation of light-weight coated paper, and some people call it low-weight coated paper. Its English name is LWC paper, which is internationally used. In Taiwan Province, it is called pictorial paper or light-weight coated paper. 4.