Instead of buying a $400 Chinese font pack, they:
To prevent this from happening to your own files, always check the "Embed all fonts" cidfont f1 f2 f3 f4 gratis
A (Character Identifier font) is a specialized font format designed to support massive character sets, particularly for languages like Chinese, Japanese, and Korean (CJK). Unlike standard Western fonts that might contain 256 characters, CID fonts can handle up to 65,535 separate characters by using 16-bit values. Instead of buying a $400 Chinese font pack,