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全国首饰标准化技术委员会(SAC/TC256)负责首饰领域的标准化工作,包括国家标准和行业标准制定、修订,相关标准的报批和归口负责首饰领域的标准全国珠宝玉石标准化技术委员会负责珠宝玉石(包括首饰中用)的鉴定及相关国家标准制修订工作负责珠
National Standardization Technical Committee (SAC / TC256) is responsible for the standardization of jewelry in the field of work, including the development and revision of national standards and industry standards, approval and approval of relevant standards in the field of jewelry standards National Jewelery Standardization Technical Committee responsible for jade jewelry (including jewelry Use) identification and related national standards revision work responsible for beads