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Tungsten Rod High Purity 99.95% Dia 1-50mm Industrial Heating Vacuum Furnace Use Customizable ASTM Standard, Find Details and Price about Tungsten High Purity Rod Tungsten Industrial Rod from Tungsten Rod High Purity 99.95% Dia 1-50mm Industrial Heating Vacuum Furnace Use Customizable ASTM Standard - Zhejiang Ruisheng New Materials Co., Ltd.