Generally speaking, it is not a problem to change in a jewelry brand store with a certain scale, but a certain processing fee (commonly known as depreciation fee) will be charged as appropriate. These are the losses of remelting gold after recycling old materials, which are normal charges.

If it is a means, it may be that the depreciation fee is too high, which should be regarded as a means of commercial operation.

Another possibility is that you are short of gold and less beams when you go to Xiaojindian to change them ~