Case introduction: HJZM-15 series intelligent grouting system is an advanced design concept, excellent performance, mature and stable system integrating pulping and grouting。After more than ten years of technology accumulation and continuous in-depth optimization, it has been widely recognized and trusted in the industry。  The system supports a wide range of types and components of the slurry ratio, can use locally sourced low cost clay pulping, and can use multi-component special materials grouting。  Since a set of mine ground pulping station was put into trial production in 2003, the company has cumulatively developed 3 generations of 11 kinds of different configuration of grouting station products, and delivered to users more than 100 sets of projects have been completed。Participated in a number of coal mine water inrush rescue projects, withstood the harsh on-site working conditions and user tests。