美国采购需求：冲床、冲压机、压力机、冲压机、硬度测试机、硬度计

I'm looking for high-quality raw materials for brake pads used in automotive applications. It's important that these materials meet industry standards for performance and durability. Could you provide details about the types of raw materials you offer? Specifically, I'm interested in the specifications, pricing, and any available certifications. Timely delivery is also crucial, so please include your lead times. Looking forward to your response!