Noto Sans CJK. The open source font jointly launched by Adobe and Google has seven font weights. Adobe calls it Source Han Sans (Chinese is Siyuan Heidi), and Google calls it Noto Sans CJK. Different languages ??in the Chinese character circle have different font standards. The font is available in different regional versions. I am using the SC version. Free fonts that can be embedded in Chinese web pages. Regarding how to embed fonts, I have a demonstration case on GitHub, using a derived font from Source Han Sans.
Hiragino Sans GB. Holly Black Simplified Chinese, produced by Ziyu Studio and Hanyi; OS X comes with a font that has two weights.
HYTieXianHei. Hanyi Iron Line Black is a new multi-weight font launched by Hanyi. It has six weights and incorporates some calligraphy temperament.
HYQiHei. Hanyiqihei is another multi-weight sans serif font, designed by designer Qi Li, and now has a maximum weight of 15.
Weibei SC. Wei Bei Simplified Chinese, the work of Taiwan Wending, comes with OS X.