... Convenient to move 3.A variety of usages. HS-4 Mortar PumpFeatures: This machine is my factory integrated product advantages ... industry, the latest successful development of a new generation of mortar conveying equipment, it has a small, light weight, energy ... work pressure, easy to move, is ideal for small projects mortar conveying equipment.Technical Specification: Output4 m³/hSize of Aggregate< 2 ...