Many turn up their noses at using ZHI tinned wire. I find it surprisingly good. Here’s a thing - sometimes you can clearly see blobs of tin on the wire where the plating process has gone not perfectly. According to all my background in physics this should render a string unusable due to false notes caused by the on non-uniform local extra weight at the blob, and yet I hardly hear much difference at all. Normally quite usable - and means you don’t have to waste a good length of expensive stuff. Maybe I am not listening carefully enough, but over the years I have observed this. Of the fascinating properties of music wire there is no end.