Zhengzhou global heavy machinery co.,ltd is a independence joint venture been set up by zhengzhou global heavy machinery group co .,ltd , henan ruite industry co.,ltd and hena zihua realty exploitation co . , ltd. zhengzhou global heavy machinery co . , ltd is heavy industry manufacture corporation specialized in designing mill run equipment, coal-washing equipment, stone crushing equipment and so on. our products have win science and technology award for many times and gained grade 3a enterprise rating.