Kami mangrupikeun produsén coke petroleum Calcined, C: 97-98.5% S 0.5-3% max, VM0.70% max, Ash 0.5% max Uap 0.5% max, Ukuran: 0-50mm, Packing: tas jumbo, urang bisa nyadiakeun kuantitas badag Urang bakal cutatan harga pangalusna sakali dina resi spésifikasi diperlukeun anjeun sarta ukuran. Wechat & WhatsApp: +86-18303335674 Email: Lucy@qfcarbon.comSitus web: https://www.qfcarbon.com #manufacturing #steelmaking #grafit #graphitization #petroleum #coke #carbon #raiser #carburant #black #grey #foundry #cast #beusi #steel #supplier #china #produsen #petroleum #baja #manufaktur #supply #stainlesssteel #copper