Approved by the National Commerce Ministry, established in 1986, located in Zhengzhou city, Henan province, covering area about 300,000 square meters, with more than 1000 employees which including R&D staffs more than 100 people, Henan Dewo is a comprehensive enterprise which integrates researching, manufacturing, market developing and service for mining crushing equipment, infrastructure equipment, ore beneficiation equipment and mining drying equipment.