Is the rhino horn banned in China?

I'm curious to know, has the trade of rhino horns been officially banned in China? It's a topic that's been gaining a lot of attention lately, and I'm eager to understand the current legal stance on the matter. Is there a clear and definitive answer to whether or not the possession, sale, or trade of rhino horns is prohibited within the country's borders? I'm looking for a concise yet informative response that can help me better grasp the situation.