加拿大采购需求：铝制凉亭，百叶窗凉亭，高品质凉亭，铝制百叶窗，户外凉亭，优质凉亭

I'm interested in getting a rough cost estimate for a contemporary aluminum pergola that features louvered design elements. The dimensions would be 8 feet wide, 30 feet long, and 8 feet 6 inches high. If you could provide a price per square foot, that would be helpful for my budgeting considerations. Additionally, if you have any relevant details regarding the materials, potential finishes, or customization options that could affect pricing, please include that info. Understanding lead times for production and delivery would also be beneficial. Looking forward to your prompt reply!