Metro Gross Market Bulk-buying, No Wholesaler Profit

I've been buying Nescafe from Metro Gross Market to sell in my store, but the last time I went, I noticed something strange. The price of the individual sachets inside the box was the same as the price of the entire box. We buy in bulk from them because we are wholesalers, but we make no profit. We've been shopping there for years and spending thousands of liras every month, but if they don't lower their prices, we may never return. It simply does not make sense for us to continue purchasing from them if we are not making a profit. It's frustrating because we've been loyal customers for a long time and expected some kind of discount or wholesale pricing. However, it appears that they are unconcerned about keeping their customers happy or loyal. So, if Metro Gross Market doesn't change their pricing soon, we'll have to start looking for a new supplier. It's simply no longer worth it.