Gold content of imprint
If it is stamped with the manufacturer's seal and gold content, it must be produced by the original manufacturer, and its quality and purity are better than others; If it is a brand made of laser, the gold content is made of steel seal! It is definitely not produced by itself, that is to say, the source of goods sold by this store is not from its own brand factory, or the brand has no ability to produce jewelry at all, so the jewelry you see (gold content+other factory code letters) is steel-printed, while the brand word printed by laser tracing is the latter. Just compare the two.