... can do OEM /ODM orderSpecifications: gasoline concrete cutter ModelGQR400AEngine Engine ModelHonda GX160 Type4-stroke,1cylinder,Forced Air coolingDisplacement (cc)163Max. ... invest a lot of time and effort in developing the concrete vibrator, plate compactor, power trowel, vibratory roller, etc. ... of charge or deliver the spare parts in next order.2. In the period guarantee, we change the defective ...