-Environmental protection: good mechanical properties, no noise, no pollution. -Portable: small size, light weight, easy to carry, easy to operate. -Safety: reliable technology, reasonable structure, the use of security. -Pressure continued: sustained high pressure so that the agent can be effective in the structure of the micro-gap, micro-seam, microporous, capillary filling . -Multi-function: a multi-purpose machine, plugging grouting, consolidation grouting, crack reinforcement grouting., Manufacturer: LPUHHDA