阿根廷采购需求：镀锌钢卷、彩涂钢卷、彩涂钢卷、H型钢、钢筋、角钢

I'm interested in getting more comprehensive information about your steel products. Specifically, I would like to know about the various grades and specifications you offer, along with the available sizes and finishes. Additionally, details on your production capacities and any certifications that your products might have would be beneficial. Furthermore, could you provide insights into your pricing structure, including bulk order discounts and lead times for delivery? Understanding your company's quality assurance processes and any options for custom orders would also help in making a more informed decision. I look forward to your detailed response.