葡萄牙采购需求：摩托车配件，尾箱储物盒，全盔，铝盒，全地形车头盔，赛车头盔

I'm interested in purchasing helmets for our upcoming project and would like some more detailed information. Specifically, could you provide the pricing options for different styles and materials? Additionally, I'd appreciate knowing about any bulk order discounts you may offer, as well as the estimated lead time for delivery once an order is placed. Furthermore, if you have any specifications regarding safety certifications or features available, that'd be great to know. It would help us make a more informed decision. Looking forward to your prompt response with the necessary details!