Gnee Steel (tianjin) Co., Ltd
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Metal Layering Cold Coil
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Metal Layering Cold Coil

Irregular or strip-shaped metal layering cold coil on the surface, some connected with the steel plate body, some are not connected with the steel plate body, the front is called the open knot, the latter is called the closed mouth The knot is closed, and the closed knot is easily peeled off...

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