赞比亚采购需求：聚酰胺平板膜，RO 膜平板，RO 膜片，RO 平板

I'd like to gather more detailed information regarding the polyamide sheets you're offering. Specifically, I'm interested in understanding the various specifications, such as thickness options, sizes available, and any special properties these sheets possess. Additionally, could you provide insight into the available colors and any certifications or compliance standards they meet? If you have a product catalog or samples, that would be really handy for evaluation. Looking forward to your prompt response with all the necessary details!