> For the complete documentation index, see [llms.txt](https://doc.zchanger.online/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.zchanger.online/bang-gia-va-lien-he/lien-he.md).

# Liên Hệ

Group Facebook: <https://www.facebook.com/groups/314313049809644>\
Channel Telegram: <https://t.me/zchanger>\
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Liên hệ mua key: \
Telegram: <https://t.me/fancyanh>\
Facebook: <https://www.facebook.com/FancyAnh/>