HJB-2 extrusion extrusion injection pump injection pump can transport mortar, grout, etc. Uses: 1, in construction, transportation for vertical and horizontal mortar. 2, in the iron and steel metallurgy sector, blast furnace and other equipment for maintenance. 3, in defense engineering, civil air defense projects and mining, tunnel construction for grouting. 4, in the chemical sector for transporting raw slurry (paste, paint), magnetic materials, and other media. 5, in water conservancy projects, and for strengthening the dam. Sandy wells used to reinforce the wall and so on. 6, in railway construction for bridges, culverts of grouting. 7, prestressed works for grout injection dilation. 8, in the thermal power plant fly ash mortar for delivery. 9, in the pavement maintenance for cement concrete pavement bottom Void grouting. Features: Compact, easy to use, safe and easy to repair, pressure, high power, versatile, can live in water, mud, mortar, is ideal for building construction.