葡萄牙采购需求：山地自行车头盔、城市头盔、城市头盔、智能头盔、电动自行车头盔、通勤头盔

I'm looking to purchase a helmet for our upcoming project. Could you please provide me with more details regarding the different models you offer? Additionally, I'd like to know about the pricing, minimum order quantities, and available discounts for bulk purchases. If you could send over any relevant specifications or brochures, that would be great! Thanks!