美国采购需求：不锈钢，304 不锈钢，金属板，不锈钢金属板，4x8，金属板

I'm looking for gold aluminum fire-rated panels specifically designed for elevator doors. Could you provide detailed specifications, availability, and pricing for these panels? Additionally, I'm interested in understanding the lead times and any minimum order quantities you might have. Please also share any relevant certifications that your products comply with, as safety is a top priority for our project. Looking forward to your prompt response!