... 3.eco-friendly 4.easy to operate and maintain Charcoal Briquette Machine 0086 15838163002 1. The whole production line ... , fertilizer, ceramics, chemical industry etc.3.Raw materialscoal powder, charcoal powder, coking coal, coke breeze, dusting ash, pond slob, ... silicomanganese mineral powder, etc.main raw materials: coal dust, charcoal powder coal slurry4. Shapes of finished productsegg-shaped ball, ...