美国采购需求：IP 视频对讲机，2 线 IP 视频对讲机，4G GSM 对讲系统，模拟对讲机，智能家居对讲系统制造商，POE 对讲机

I'm really interested in your range of products and would love to dive deeper into the specifics. Could you share more details regarding the materials, production processes, and any certifications that your products have? It would be great to get insights on the pricing, bulk order discounts, and lead times as well. Additionally, if you have a product catalog or any samples available, I'd appreciate it if you could send those my way. Understanding the variations and customization options would also help me assess how your products could fit into our current needs. Looking forward to your prompt response!