美国采购需求：碳化钨环，冷轧环，耐磨环，高硬度环，工业机械环，定制钨环

I'm interested in your products and would love to know more about them. Could you please share detailed information regarding specifications, pricing, and lead times? Additionally, I'd like to understand any available customization options and minimum order quantities. It would also be helpful to get insights on your quality assurance processes and shipping methods. Understanding these aspects will help me evaluate how well your offerings align with our needs. Looking forward to your prompt response!