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Bow-Shaped Single Peak Nb3 Twisted Wire 1.5mm 99.95% PVD Machine Heater, Find Details and Price about 99.95% Tungsten Wire High Purity Tungsten Wire from Bow-Shaped Single Peak Nb3 Twisted Wire 1.5mm 99.95% PVD Machine Heater - Sichuan Yushi Electronic Materials Co., Ltd.