东帝汶采购需求：数字标牌、交互式白板、工业平板电脑、自助服务终端、OLED屏幕

I'm looking for black frames specifically designed for school use. We need them to be durable and suitable for educational environments, as they'll be used by students. Ideally, they should accommodate standard-sized artwork or documents. Could you provide details on the available options, including material specifications, pricing, and lead times? Also, please let me know if you have any customization options, such as different sizes or finishes, that could enhance their usability in a school setting. Looking forward to your prompt response!