Beijing Huasheng Precious metal Materials Co., LTD., tọrọ ntọala na 2003, e aku na-abụghị ferrous ọla (tungsten, molybdenum, tantalum, niobium, nickel, cobalt, ferroalloy na ụgwọ) ruo ogologo oge.Main mmepụta na nhazi: ngwaahịa tungsten na molybdenum, tantalum na niobium pro ...
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