Is there a place to identify gold in Gu 'an County?

The gold appraisal site of Gu 'an County is located in Room 203, Unit 3, BuildingNo./KLOC-0, Changfugong Community, east of Yuquan Road, Gu 'an County, Langfang City, Hebei Province. The company name is Gu 'an Jewelry Appraisal Center.

To identify gold, we need to identify it by color, weight, sound, hardness, touchstone, acid point, burning, checking official signs, testing gold with magnets and density test.