供应graphite petroleum cokecarbon: 98-99%Minsulfur: 0.03-0.5size: 0-0.2mm ,0.2-1mm,1-5mm,3-8mm,5-10mm or according to customer"s requestpackage: 1MT in a jumbo bag ,20/25 KG plastic bags in a jumbo bags or according to customer"s request
供应 graphite petroleum cokecarbon: 98-99%Minsulfur: 0.03-0.5size: 0-0.2mm ,0.2-1mm,1-5mm,3-8mm,5-10mm or a