Zhengzhou DynNor Industrial Machinery Co., Ltd(formerly known as Zhengzhou Dingli Industrial Machinery &Equipment) is a China-based Industrial equipment supplier located in Zhengzhou, Henan Province. We undertake large and medium-sized technical engineering projects, consultation, design, manufacture and sales of industrial filtration equipment, dryers, lime hydrators, crushers &mills and various mining equipment. All of our manufacturing process are certified according to ISO9001 quality management system and IS14001 environmental system.