3 thoughts on “Regulations of the purity of jewelry precious metals and naming methods new national standards”

  1. At first glance, you know that you are going to Zhou Dafu!
    A Hong Kong Enterprises
    The blessings of Zhou Shengsheng should also be like this
    I is indeed new national standards, but it seems to be limited to these Hong Kong bank companies. Gold seems to be still printed with thousands of gold
    Zhou Dafu has his own golden refinement plant. Basically, it can ensure 9999 purity
    most of the domestic gold from Shandong's purity 999.6, but the color and Chow Tai Fook are indeed poor. In terms of a lot of workmanship, Zhou Dafu Gold's production is indeed the first in China, especially small things are very fine, and the back is very smooth. TA FOOK is also the English abbreviation CTF
    The general word printing continental uniform CTF foot gold Hong Kong will marked 9999 in China. The change of
    The gold jewelry has the purity of the solder joints above 900. This is also the regulations of the new country.

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