This kind of denture quality assurance card will be available in regular processing factories no matter what kind of teeth. .

Small workshop-style processing plant, based on precious metals, including titanium, cobalt and chromium. .

Only precious metal porcelain teeth will give you a card. But even if there is a card, what it says is nothing.

The card brought back by the regular manufacturer is the proof of future maintenance. .

So LZ should pay attention in the future. . It's no use asking for it even if you go back,