#Calcined #Petroleum #Koob #CokeCov pa roj carbon ruaj khov: > 99%Tshauv: <0.5%Cov Khoom Uas Tsis Txawj Hloov: <0.5%Sulfur: ≤0.5%Cov dej noo: ≤0.5%CTE: ≤1.7Qhov Tseeb Tshwj Xeeb Lub Zog: ≥2.12Ntim: cov hnab loj Peb yuav hais tus nqi zoo tshaj plaws thaum tau txais koj cov lus qhia thiab qhov loj me.Wechat & WhatsApp: +13722682542 Email: judy@qfcarbon.comLub Vas Sab Hauv Internet: https://www.qfcarbon.com