An kafa Beijing Huasheng Metal Materials Co., Ltd a shekara ta 2003. Kamfanin ya dade yana aiki a cikin ayyukan da ba na ƙarfe ba (tungsten, molybdenum, tantalum, niobium, nickel, cobalt, ferro alloys da tanderun nauyi). Babban samarwa da sarrafawa: tungsten da molybdenum p ...
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