1. Product material: environmentally friendly nylon encapsulated material (in line with environmental protection standards), material nylon coating, good surface gloss,
Strong adhesion, wear resistance, moisture resistance, rust resistance and aging resistance.
2. Product standard: The wire diameter of the product is produced according to the standard wire diameter, and the material is non-toxic and harmless, and meets the export environmental protection safety standard.
3. Product quality: The wire diameter is strong and hard, the circle is round after forming and is not easy to change, the quality is stable, and the production loss is low.
4. Applicable binding scope: notebooks, photo albums, wall calendars, desk calendars, manuals, tenders, etc.
5. Note: The length is all A4 length 297mm, 3:1 is 34 teeth, 2:1 is 23 teeth, others are required