京昌高纯石墨片高碳电解片导热散热柔性石墨纸厚度0.02mm-5.0mm石墨箔 200mm*250mm*0.2mm

京昌高纯石墨片高碳电解片导热散热柔性石墨纸厚度0.02mm-5.0mm石墨箔 200mm*250mm*0.1mm

京昌高纯石墨片高碳电解片导热散热柔性石墨纸厚度0.02mm-5.0mm石墨箔 200mm*250mm*0.02mm

京昌高纯石墨片高碳电解片导热散热柔性石墨纸厚度0.02mm-5.0mm石墨箔 200mm*250mm*0.05mm