伊朗采购需求：法兰螺母，螺母

I am reaching out to inquire about the availability and pricing for M20 axle nuts. We are looking for high-quality components that can meet our specifications for durability and reliability. Please provide details on the materials used and any certifications that your products have received. Additionally, I would appreciate information on your minimum order quantities, lead times for production, and any discounts available for bulk orders. We are aiming to establish a long-term partnership, so any details on your manufacturing capabilities and quality control processes would be beneficial. Looking forward to your prompt response!