尼泊尔采购需求：铝箔咖啡袋、咖啡袋、带阀门咖啡袋、咖啡豆袋、平底咖啡袋、自立袋

We are looking to source coffee bags for our wholesale operations. We need high-quality options that can effectively preserve freshness and aroma, as our clients value premium coffee. Could you provide details on the various materials and sizes you offer? Additionally, we are interested in customization options for branding purposes. It would be great to know your pricing structure, minimum order quantities, and lead times for production and shipping. If possible, please include information on any certifications or eco-friendly options available. We're eager to establish a strong partnership, so your prompt response will be appreciated.