Beijing Huasheng Metal Materials Co., Ltd. inakhazikitsidwa mu 2003. Kampaniyi yakhala ikugwira ntchito pazitsulo zopanda chitsulo (tungsten, molybdenum, tantalum, niobium, faifi tambala, cobalt, ferro alloys ndi ng'anjo yamoto). Main kupanga ndi processing: tungsten ndi molybdenum pr ...
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