Double shrinkage compensated high-strength, high-precision grout fluidity overview containing selected natural aggregates, plastic state, and the state has hardened precision compensation shrink grout. The grout has high fluidity, excellent early and late strength at high temperature, agitation and placed under the recommended consistency when it can maintain excellent performance. Free of chloride. Large applications of key equipment, such as: turbine generator and power plant boiler feed pump processing equipment, such as: paper machines, cement kiln, steel rolling equipment portside machine, such as: tower cranes, gantry cranes and other engineering grouting penetration of harmful substances, such as precast beams, columns, load-bearing walls and other advantages of the dual characteristics of contraction compensation to ensure excellent position after grouting equipment early and late strength excellent mobility dense longer working hours, to prevent