Workbooks, exercise books, examination papers, copybooks, etc
- GB 40070-2021
- GB 21027-2020
- HJ 572-2010
- QB/T 1437-2014
- QB/T 1438-2007
Textbooks, tutoring books, student brochures, literary journals, etc
- GB 40070-2021
- GB 21027-2020
- GB/T 18359-2009
- GB/T 34053.3-2017
- GB/T 34053.4-2017
Children’s colored pens, crayons, oil painting sticks, ballpoint pens, marker pens, ink pens, whiteboard pens, pencils, etc
- GB 21027-2020
- HJ 1161-2021
