Gm-55 Grouting Pump - Qijiu ( China ) - Offers to Sell and Export - Thursday 26 November 2020 8:25 am - gm 55 grouting pump model gm 55 capacity 1800l h 3500l h power 5 5kw the max diameter of aggregate amp #8804 4mm w c amp #8805 0 30 injection pressure 2 5 5 0 v...