Tungsten bars, rods, profiles and profiles plates, sheets, strip and foil of a deeper level of processing products export tariffs, so the 5% export tax rebate policy will continue. It can be understood, at least for now, for this type of tungsten production and exports, the country is still allowed, and even encouraged.
2013年7月23日星期二
Mo (Molybdenum)
Is a chemical element, its chemical symbol is Mo, its atomic number is 42, is a transition metal gray. Pure molybdenum metal is silvery white, very hard. Among the small amount of molybdenum added to steel, steel can be hardened. Molybdenum tube is a very important nutrient for plant, also find a number of enzymes being
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