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nipple metal rivet whole jean rivet
Dec 13, 2017
Buttons distinguish between plastic buttons and resin buttons, plastic buttons and resin buttons, plastic (including a variety of plastic) buttons are generally die-casting, so there will be a line on the side of the button, the die line, some of the factory may be in the subsequent processing to remove the line, but its weight will be lighter than the resin (of course, some special plastic will be heavy).
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