吉布提采购需求：黑色钢板、金属板、碳钢板、碳钢板、碳钢板、金属板

I am reaching out regarding the purchase of billets that meet specific dimensions and specifications. We are particularly interested in billets with a square cross-section, and we would appreciate if you could provide details on the available options that align with these requirements. It would also be helpful to know the grades of material you offer and any specific certifications that come along with them. Additionally, please include information on pricing, minimum order quantities, lead times, and any possible discounts for larger orders. If you have any recommendations or additional insights regarding similar products, please feel free to share. We're looking forward to receiving your prompt response to help us move this procurement forward efficiently.