[International Standard]: ISO 9001 quality assurance and ISO 14001 environmental management
[High Page Yield]: 7,200 pages for each TK1172 toner cartridges (at 5% Coverage)
[Transportation Packaging]: Our packaging will try to protect the product during transportation, so that the product can be preserved and delivered to you in good condition
[Technical support]: If there are any issues, you can inquire by email and we will provide technical support within 24 hours