Commonly used specifications: thickness 0.5-3mm, copper layer thickness ratio 10-15% Pure copper jewelry will give people a high-end feel, but the cost of pure copper materials remains high. Compared with pure copper materials, copper-aluminum composite materials are used for decoration In the industry, it can save more than 50% in comprehensive costs, and it can completely replace pure copper materials. category: decorate Manager Zhang: 0543-7079617 Email:

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