Henan Hongtong machinery Technology Development Co. Ltd is one of Chinese specialized enterprise in making building materials and machinery with experience more than 30 years. We produce Rotary kiln, Crusher, Stone washing machine, dryers, Package of energy-saving drying slime production, Compound fertilizer processing equipment, Grinder, feed-processing equipment, dressing equipment, Sand making, ball grinding mill, Flotation machine, Sand Production Line and so forth. We were once awarded "contract trustworthiness enterprise", "China association of aerated concrete member enterprise" by the government for five consecutive years and through the ISO9000: 2001 quality system certification. We are glade to invite foreign friend to our company and we'll give you a high quality service.