1. purity: the purity of emerald gold is above 99.9%, while that of China gold is above 99.99%. So in terms of purity, the purity of China gold is higher.
2. Brand reputation: Emerald Gold has successively won the honorary titles of "Excellent Brand in China Gold and Jewelry Industry", "Consumer Trustworthy Goods", "Famous Brand in China Jewelry Industry", "Qualified Product in National Quality Inspection", "Trustworthy Metrology Unit" and "Top 100 Enterprises in Shenzhen Industry and Commerce in 2003 and 2004". China gold is also widely recognized for its high quality and reputation. Therefore, in terms of brand reputation, both have certain advantages.
3. Craft and design: Jade gold has exquisite craftsmanship and unique design, which makes its products have high artistic value. China Gold also has its unique features in design and technology. Therefore, in this respect, both have their own characteristics.
To sum up, Emerald Gold and China Gold have their own characteristics and advantages, which cannot be simply compared. Consumers can choose their own brands according to their own needs and preferences.