Why are sound cards and network cards Ruiyu now?

Why don't NTEL and AMD buy ruiyu? Ruiyu is developing well. Why do you want to buy?

Their motherboards are all Ruiyu sound cards, which have something to do with motherboard manufacturers, but basically have nothing to do with Intel AMD, because motherboards are made by motherboard manufacturers, and they only use Ruiyu to buy chips, and the motherboards don't want to use Intel AMD's CPU. Is the secret known to the motherboard?

It's easy to get a sound card with Intel technology. Why use Ruiyu's? What technologies does Intel have that are easy to get a good sound card, but what is the cost? Without mature technology, how can we compete with Ruiyu?

Intel has flown solo before, but it was squeezed out by ATI and NVIDIA. ...