南非采购需求：PVC安全靴，PVC安全雨靴，钢头靴，钢头雨靴，油田鞋，PVC雨靴

I'm interested in ordering 100 kg of your product and would like to know the price for the cheapest option available. Could you provide me with a detailed quote, including any bulk order discounts or special offers you might have? Additionally, it would be helpful to understand the estimated lead time for delivery once the order is confirmed. If there are any specific terms or conditions I should be aware of regarding payment or shipping, please include those as well. Looking forward to your prompt response!