加拿大采购需求：管道角件、Tdc 角件、L 型支架、L 型支架、法兰夹、角夹

I'm interested in placing an order for a substantial quantity of your product, specifically looking at around 500,000 units. Could you please provide me with your pricing details for this amount? It would be great if you could also include any bulk purchase discounts you might offer. Additionally, I'm curious about the HS Code for this product. Having this info will help in the import process. Looking forward to your prompt response so we can move forward swiftly!