Some slides plus prices: https://imgur.com/a/O1YUm
Official presentation gallery: https://gallery.vphotos.cn/vphotosgallery/index.html?vphotowechatid=F60BE9CF734DF9E4AE7900B2EC2D3A27
Some images are from Black Shark's weibo (heishashouji)
Presentation just ended. I didn't see any mention of 120Hz screen but I don't speak Chinese. If it doesn't have that I'm not interested tbh.