Yes
You can download fonts from many places now, such as Qiantu.com, Baotu.com, Fangzhengzi, Hanyizi, Font Vision, etc.
But if we talk about font manufacturers, then Founder, Hanyi, and Font Vision are font manufacturers with absolutely formal copyright certificates
If you want to quickly find the copyright certificate, you can refer to the link below for font copyright certificate fonts Vision Copyright Publicity System