Wurin Asalin:China, Hebei
Sunan Alama:QIFENG
Lambar Samfura:3-6 mm
Aikace-aikace:karfe yin, jefa baƙin ƙarfe
Haɗin Kemikal:FC, S, Ash, VM, Danshi
Sunan samfur: Graphitization Petroleum Coke
Abun sulfur:: 0.3-0.7% max
Abubuwan Ash:: 0.5-1.0% max
Danshi: 0.5%
C abun ciki%: 98.5-99%%min