保加利亚采购需求：触摸显示器，触摸屏显示器，PCAP触摸显示器，红外触摸显示器，一体式触摸电脑，红外触摸显示器

We are an EU-based company focused on developing innovative products that enhance everyday life. Currently, we are embarking on a new R&D project and need your expertise. Specifically, we require a PCAP touch foil that functions effectively behind a protective glass layer of 4-6mm. The prototype device will likely operate on Android OS, and it features a 7'' screen. We would appreciate your guidance on suitable touch foil options and any relevant specifications. Your assistance is crucial for advancing our project, and we look forward to your prompt response.