Business promotion should be said to be a spring ribbon of a golden jade bracelet. It doesn't look like dyed from the picture, but the quality is average, mainly because it is too tender.
The authenticity of jade bracelets is generally easier to identify. The color is unnatural, and even the emerald-quality "Emerald" bracelet can basically be determined to be a fake; If the density is less than 3g/cm and the difference is greater than 10% (that is, the density is less than 3g/cm), it must be a fake; Cheap "beautiful" jade bracelets are basically fakes.
Jade can go to an authoritative jewelry and jade appraisal institution with national qualification certification for instrument appraisal and issue an appraisal certificate. In this way, the result is exact, the authenticity is clear at a glance, and it can be foolproof.