加拿大采购需求：铝型材、铝型材、铝门窗、铝幕墙、幕墙型材、散热器

I'm currently looking for aluminum plates and would like to know if you have them available in bulk. Could you please provide me with the pricing details for larger orders? Additionally, I'm interested in understanding any minimum order quantities or specific grades you offer. Knowing the lead time for delivery and your payment terms would also be helpful. Looking forward to your prompt response!