乌干达采购需求：铜带、黄铜带、紫铜带、青铜带、铜镍合金带、铜箔

I am looking to purchase 8 pieces of brazing copper ribbon. Could you please provide detailed information regarding the specifications, dimensions, and any available grades of the product? Additionally, I would appreciate insights into the pricing, including any bulk order discounts or shipping costs involved. It would be helpful to know your lead time for this order and whether you have any minimum order requirements. Please also let me know if you have any certifications or quality assurance processes in place for your products. Looking forward to your prompt response so we can move forward with this purchase. Thank you!