Dear sir、 . .Now、 our company have a lot of vacuum lorry which have the best capability .of suction at very deep place and most suitable and convenient for vacuuming and .transportation of liquid waste (sewage、 waste water、 cesspit etc). . .Vacuum pump is used to installing in vehicles as road sweeper、 sewer cleaner. . .We are interested in Vacuum pump which is used for Vacuum lorry to .replace for our out of date vacuum pump. . .Spec : 4000 ~ 6000 litter minute .Quanity : 10 . .Should you send me detail spec and quotation .of this vacuum pump as soon as possible. . .Best Regards、 . Optional Information .- Payment : 100% Irrevocable L C at sight.- Delivery : Hai phong port 、 Vietnam.- Origin : Repuplic of Korean.- Packaging : wooden box.- Inspection : origin color Spec attached herewith.