"Eleventh" Golden Week is approaching, jewelry consumption has also entered the peak. Tianjin Industrial and Commercial Bureau recently conducted quality monitoring on 30 batches of jewellery jade produced and distributed by 30 companies in five provinces and municipalities directly under the Central Government of Guangdong, Shandong, Beijing, Tianjin and Shanghai. All the products inspected were qualified.

It is understood that the industry and commerce department's sampling inspection based on relevant standards and product express company standards and quality indicators, focused on the diamond jewelry clarity degree, color classification, cut classification, total quality, jewelry density, light characteristics, Refractive Index, UV Fluorescence, Absorption Spectroscopy, Magnification Inspection, Infrared Spectra A total of 11 indicators. The monitoring results showed that the quality of the 30 batches of jewels extracted had all passed the test.