Chinese Xingkai is not a free font.

Huawen Xingkai is a TrueType computer font produced by China Changzhou Huawen Printing New Technology Co., Ltd. (SinoType), with calligrapher Ren Zheng as the font writer. Because it was originally distributed with the simplified Chinese version of Microsoft Office and is quite aesthetically pleasing, it has now been used in various fields in mainland China. is copyrighted. Use by others without the permission of the copyright owner constitutes infringement.

Free and non-infringing fonts include:

Fangzheng Heidi, Fangzheng Shu Song, Fangzheng Fang Song, Fangzheng Kai, Siyuan Hei, Siyuan Rouhei, Siyuan Song, Zhan Ku Ku Hei, Zhan Cool high-end black fonts, Zaoku happy fonts, Zaoku Italian fonts, Zaoku high-end black fonts, Droid Sans Fallback, Zaoku happy fonts, Zheng Qingke butter fonts, Wang Hanzong free fonts, Wenquanyi fonts, Seto fonts, Coca-Cola care fonts. Free for "commercial distribution" use.