coal pellet making machine 1Wet powder briquette 2ISO9001 quality 320 years professinal experience ... chemical, coal and refractory industries, suitable for wet powder briquetting, which is adding an appropriate amount of water ... alloy, sludge, gypsum, carbon, coal powder, coking coal, coke powder, aluminum powder, silicon carbide, copper powder, iron powder and various refractory materials. Under ...