Full red indicates that the gold is of sufficient fineness, indicating that the gold content is high and the weight is sufficient. Laofengxiang Zuchi was electroformed with gold with the content of 9999, and the hardness of gold was improved by a special process, not platinum.

Lao Fengxiang is a listed company, a top 500 enterprise in China, a century-old national brand, a famous jewelry brand in China and a classic jewelry brand in China spanning three centuries.