阿尔及利亚采购需求：上锁挂牌、安全挂锁、阀门上锁、电气上锁、上锁站、BOZZYS

I'm interested in obtaining pricing information for two stair units. Could you please provide a detailed quotation including the cost per unit and any applicable bulk discounts? Additionally, it would be helpful to know the lead time for production and delivery. Also, if you have different models or options available, I'd love to hear about them, along with any specifications and features. Understanding the material options and any customization possibilities would be beneficial as well. Looking forward to your prompt response so we can move forward efficiently.