Look at the packaging and trademarks to find out the manufacturer code.

1. Observe the packaging and trademarks: Real Lao Fengxiang gold products will have exquisite packaging and clear trademarks. The fonts, patterns and logos on the trademarks should be clear and precise, with no blur or spelling errors. .

2. Find out the manufacturer code: Each product of Lao Fengxiang Gold will have an independent manufacturer code. You can check the corresponding manufacturer code through official channels and check it with the code on the product.