加拿大采购需求：黑磷化石膏板螺钉、C形钩螺钉、盘头开槽螺钉、Bline弹簧螺母、带法兰六角螺母、M5槽形螺母

I'm looking for a detailed quotation for umbrella roofing nails. Specifically, I need information on the pricing, available sizes, and any bulk purchase options you offer. It would also be great to know about the materials used, as well as the minimum order quantities and lead times for production. Additionally, if you have any certifications or quality assurance processes in place, please include that info too. I'm interested in sourcing these nails for an upcoming project, so the sooner I can get your response, the better. Feel free to send me any brochures or product specifications that could assist in my decision-making process. Thanks!