copper bzn18-18 north korea

Common raw materials

Forging display

CNC processing

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2020630 · C71518 BZn18-18 63.5~66.5 16.50~19.50 − 0.25 0.5 0.8 C71519 BZn18-26 53.5~56.5 16.50~19.50 − ≤0.25 ≤0.5 0.8 2

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BZn18-18_