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13527902253
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In the process of ultrasonic spot welding machine, there is no current through the workpiece, and the workpiece does not melt. Moreover, the same alloy material can realize the ideal spot welding mach
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Mobile：13527902253（ Lan Fajun）
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Address：4th Floor, Building B, Tongxin Industrial Park, Xinhu Industrial Zone, Ma'an Street, Huicheng District, Huizhou City
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