Henan Coal Science Research Institute Keming Mechanical and Electrical Equipment Co. , Ltd. is a holding subsidiary of Henan Coal Scientific Research Institute Co., Ltd. , which was established in March 1979. With 40 years manufacturing experience, our company is specialized in research, development, production and sales of spraying and pumping products and mining products. Up to now, our company operates more than 50 kinds of products, covering shotcrete equipment, grouting equipment, mixing equipment, plastering equipment, hose pump etc.