美国采购需求：凸面镜、减速带、电缆保护器、橡胶车轮挡块、橡胶路缘坡道、橡胶车轮楔块

I'm reaching out to clarify the origin of your products. Are they manufactured in the EU or Asia? Understanding the location of production is crucial for us, as it impacts our decision-making process regarding quality, compliance, and shipping logistics. Additionally, if you could provide more details about your manufacturing standards and any certifications you hold, it would be greatly appreciated. This information is vital for us to assess the suitability of your products for our needs and to ensure we maintain our quality standards in the supply chain. Looking forward to your response!