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TN90柱狀增碳劑
TN90柱狀增碳劑

是否有現貨有認證碳能新材料用途鑄造加工石墨制品型號TN90性能低膨脹碳含量>90%磷份P<0.05揮發份Vd&l···

TN95柱狀球鐵專用石墨增碳劑
TN95柱狀球鐵專用石墨增碳···

是否有現貨有認證碳能新材料用途鑄造加工石墨制品型號TN95性能低膨脹碳含量>95%磷份P<0.05揮發份Vd&l···

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