according to the city of Quality Supervision Bureau disclosure, this test involving a total of 100 batches of precious metal (decoration), of which 6 batches of unqualified. Respectively: 925 silver child Bracelet Cheap Cartier Sunglasses noble metal content Shanghai jade handicrafts Limited production, the content of harmful elements (lead) is not qualified, the quality is a serious problem; gold necklace of precious metal quality Shenzhen Yuehao jewelry Limited production of unqualified; silver ingot silver jewelry of precious metal content Hengtai chase gold investment limited Shanghai branch of production of unqualified; Si Yu jewelry (Shenzhen) gold fashion necklace of precious metal content limited production of unqualified; PT950 necklace of precious metal quality, identification tag Shenzhen Zhou Liufu jewelry Limited production of unqualified products; and Shanghai Open Trading Co. Ltd. Guohe Road branch sales Chinese Golden Cheap Burberry Sunglasses Dragon (Hongkong) necklace the precious metal content, identification tags do not qualified.
the city of Quality Supervision Bureau spokesman Shen Weimin pointed out, precious metal jewelry often divided into gold, silver, platinum and palladium 4, request the precious metal content of standard is the measured value of not less than the nominal noble metal purity thousandth minimum requirements; noble metal quality standard is gold, platinum (decoration) goods quality weighing tolerance as 0.01g, silver (decoration) quality weighing error - cheap oakley sunglasses free shipping 0.1g. "In the purchase of the precious metal, should go to precious metal jewelry stores or large commercial professional counter purchase the precious metal jewelry inspection." Shen Weimin points Cheap Cartier Original Sunglasses out, "the market of white gold is gold 铜镍 zinc alloy, easy and 'platinum' confusion, commonly known as platinum platinum, platinum jewelry is, China's national standard, no existing K platinum."
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