1. According to the query of official website, JD.COM, China Gold has strict requirements on the production and production of gold. The gold used is pure gold, and the purity of gold is as high as 99%, while the gold content of Huiju Building is 75%, and the purity of gold is low.

2. The gold production in China is made by traditional craft, with guaranteed quality, while the gold production in Huiju Building is made by ordinary craft, with poor quality.