美国采购需求：和纸胶带、手账贴纸、硫酸纸便签、日记卡、胸针、金属书签

We are looking to purchase metal keychains in bulk for an upcoming promotional event. We're interested in various designs and potential customization options. Please provide details on your minimum order quantities, available materials, and pricing. Additionally, we'd like to know the estimated lead times for production and shipping. If you have any catalogs or samples available, that would be great to review. Looking forward to your prompt response and to discussing potential collaboration further!