Three nines. According to the query of official website, JD.COM, the foot silver in the old temple is 999, which means that the silver content of foot silver is 99.9%, and the silver content used to make foot silver jewelry is not less than 99.9%, which is also the highest purity standard of silver products stipulated in the China standard "Provisions and Naming Methods of Precious Metals in Jewelry". The predecessor of Shanghai Old Temple Gold Co., Ltd. is "Shanghai Old Town God Temple Handicraft Store", which was founded in 1982. This is the first gold retail store opened in Shanghai after the State Council approved the resumption of sales of gold ornaments. 1Feb. 20th, 994, it developed into Shanghai Old Town God Temple Gold and Silver Jewelry Company specializing in gold jewelry.