硅碳系列-流化床设备专家交流

Hello, host. You can start now. Thank you. Thank you. Hello, can you hear me now? Yes, we can hear you. Oh, okay. Good morning, everyone. I'm sorry about that. The back-end meeting assistant made a mistake. He didn't turn on the full sound. Can the experts hear my voice now? Yes. Okay, let's get started. Before we start, I'd like to say a few words. I still don't want to have any records or recordings spread out. Then the expert side, we may have some questions to ask you first. The first one we want to kno ...