Pengfei Group is qualified to provide rotary kiln, ball mill and accessory equipments ... passed ISO9001 Quality Confirmation System and great comprehensive ability to provide best quality services on turn-key basis with ... brand products such as rotary kiln(φ 3.2*52m~φ 5.2*78m), ball mill(φ 3*11m~φ 4.6*13m), air ... swept coal mill[φ 2.6*(5.25+2.25)m~φ 3.8*10+3.5)m, preheater with precalciner, kiln rear ...