Recently, the Gansu provincial market supervision and Administration Bureau issued a notice, sampling 50 pieces of precious metal jewelry and products from 45 distribution enterprises. The spot checks were Lanzhou, Tianshui, Baiyin, Qingyang, Pingliang, Dingxi, Longnan, Linxia, Wuwei, Zhangye and other cities (States).

In accordance with the detailed rules for the implementation of quality supervision and spot check of precious metals and jewellery and products in 2019 (the second batch of industrial products) and related product standard requirements, the items such as product name, quality deviation, precious metal purity, color, transparency, gloss, magnifying inspection, refractive index, birefringence, optical property, polychromatic property, fluorescence observation, density, infrared spectrum analysis, ultraviolet spectrum analysis, Mohs hardness and marking were inspected in Gansu.

The results showed that 50 batches of precious metal jewelry and products were qualified in 27 batches, 14 batches of product names or labels were not standardized, 9 batches were not qualified, and the pass rate of product quality examination was 82%.

Among the 9 batches of unqualified products, Zhou Dasheng, China gold, China jewelry, China gold shop and other brands came on the list. Unqualified products are mainly quality deviations and precious metal purity items do not meet the standard requirements.