Shanghai Gongxing Thread & Belt Machinery
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The anti-counterfeiting security thread was first used on banknotes and documents. Because of the convenient and quick identification method, it was quickly...
The anti-counterfeiting security thread was first used on banknotes and documents. Because of the convenient and quick identification method, it was quickly...
The anti-counterfeiting security thread was first used on banknotes and documents. Because of the convenient and quick identification method, it was quickly...


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