SPEC: 1,ASH:8%,V:1.5%,M:5%,S:0.5%,FC:90%,SIZE:60-90MM.80-120MM,100-150MM,>150MM
2,ASH:10%,V:1.5%,M:5%,S:0.5%,FC:88%,SIZE:60-90MM.80-120MM,100-150MM,>150MM
3,ASH:12%,V:1.5%,M:5%,S:0.5%,FC:86%,SIZE:60-90MM.80-120MM,100-150MM,>150MM