Professional testing institutions, jewelry stores and gold shops, self-test.

1, professional testing institutions: looking for local and online gold testing institutions. The organization has professional equipment and personnel, which can accurately detect the purity, fineness and weight of gold.

2. Jewelry shops and gold shops: Jewelry shops and gold shops also provide gold detection services.

3, self-inspection: simple testing, including weight and color, you can use some household tools for self-inspection.