What’s a quick way to select high-quality silicon carbide?

When choosing silicon carbide, we are always afraid of choosing inferior silicon carbide products. In fact, silicon carbide can be divided into different types, and their field applications are also very different. Silicon carbide will have a special shiny crystal under the light. It's beautiful, so how to choose high-quality silicon carbide? The veteran driver couldn't help but tell everyone how to choose high-quality silicon carbide.