Cam khwb cia hlau foundry Kev lag luam 1-5mm / 1-3mm GPCRecarburizer Purity Graphite Petroleum Coke / Graphite Petroleum Coke / Graphite Tsiaj Coke / GPC ua Carbon raiser / Carbon additives / Carburant Tsau Carbon 98-99% min,Tshauv 0.5-1.0% max,VM 0.5-1.0% max,S 0.03-0.05% max,Cov dej noo 0.5%,Nitrogen 0.03% max,Hydrogen 0.01%Loj: 1 ~ 5mm, 1-3mm, los yog raws li tus neeg thov kev thovNtim: 25kgs pp woven hnab rau hauv 1MT jumbo hnab loj Catherine email:Catherine@ykcpc.comwhatsapp&wechat: +86-1823020826