周生生足金挂坠被检测出含铁、银、钯！监管部门介入

Group 1 - A customer in Guangdong reported that a newly purchased gold pendant from Chow Sang Sang was scratched and showed white marks after one day of wear, raising concerns about the gold content [1][3] - Testing revealed significant discrepancies in gold purity across different points of the pendant, with the highest purity at 99.99% and the lowest at 64.37%, a difference of 35.62% [3] - The pendant was found to contain other metals such as iron, silver, and palladium, in addition to gold [3] Group 2 - Chow Sang Sang's representative stated that the issue was not a quality problem and initially suggested refurbishing the pendant, but later offered a return service due to customer service considerations [3] - Regulatory authorities have intervened to mediate the dispute and recommended that both parties send the pendant for formal evaluation by a third-party professional institution [3]