... in manufacturing the products of titanium, tungsten, nikel, zirconium, chromium, tantalum, molybdenum, niobium and other different kinds of special-shape ... molybdenum sheet, molybdenum alloy plates including TZM, molybdenum special-shape products& alloy series, etc..Series B: Tungsten ... tungsten bar, tungsten plate, tungsten sheet, tungsten special-shape products& alloy series, etc..Series C: High- ...