... .Reliable function.3.Easy to maintain.Small, can move,convenience in use.4.No expensive.5.High quality.Have sell for ... than 10 years.Your can trust us. Usage:1.Grouting in Tunnel,mine,stone drift,concrete hoistway,to shut off the ... painting equipment,concrete transportation pump,ect.. If you're interested in my goods,please contact me,I am Mandy zhang,will always ...