新加坡采购需求：PB4-F 型号、PB4-F 规格、PB4-F 价格、PB4-F 评论、PB4-F 功能、PB4-F 可用性

I hope this message finds you well. I'm reaching out to request a detailed quote for the products we discussed earlier. Could you please provide me with your pricing information, including any bulk order discounts, lead times, and shipping costs? This will help me to make an informed decision. Additionally, if there are alternative options or similar products that you recommend, I'd love to hear about those as well. Your insights would be greatly appreciated as I evaluate my purchasing options. Looking forward to your prompt response!