From the Swedish words tung sten, which mean "heavy stone." Tungsten's chemical symbol comes from its earlier, Germanic name, Wolfram. The name Wolfram comes from the mineral wolframite, in which it w
Our sources in Asia confirmed an industry trade report pre-announcing China would slash export quotas on molybdenum products by approximately 50 percent. The quotas are expected to take effect next we
The refractory metals are conveniently described as those which, first of all, melt at temperatures well above the melting points of the common alloying bases, iron, cobalt, and nickel.
Domestic manufacturing industry with high-speed and efficient CNC machine tools and machining centers is rapidly increasing, which requires a lot of advanced and efficient tool.
