Yiduo 3A light luxury gold adopts a brand-new technology, which overcomes the softness of gold through physical refining. The hardness is four times higher than the original, which greatly improves the hardness of gold, and it is more wear-resistant, not easy to break and more durable to wear. It is characterized by large surface area, light weight, and maximum extension of gold. Gold contains gold ≥999.5‰, with high purity and good value preservation. Ensure the quality of gold, but also have novelty and fashion that ordinary gold can't reach.