This is Jianxin, welcome to visit our concrete cutter, I will response within 24 hours and our products have 6 months warranty and lifetime maintenance.we can do OEM /ODM orderSpecifications:gasoline concrete cutter ModelGQR400Engine Engine ModelHonda GX160 Type4-stroke,1cylinder,Forced Air coolingDisplacement (cc)163Max.output (kw/r/min)4.0/3600Fuel Consumption (g/kw/h)313Fuel Volume (l)3.6cutting depth70mmpress Depth (cm)25rotary speed(m/min)3600rpmClutch Revolution (r/min)2100Blade diameter300nnNet Weight (kg)70KGLengthxWidthxHeight (mm)850x520x1000mmTreatment range:concrete cutter is ideal to cut the concrete road or asphalt road, widely used in the construction.Features1) Low maintenance2) Less time and less cost for repaire.3) Straight handle is also availableCertifications: European CE, ISO 9001: 2000, PRC IMPORT&EXPORT enterprise competency certificate,certificate issued BY CCPITAbout our company:Ningbo Yinzhou Jianxin Engineermg Machinery Factory. is an enterprise that specializes in the R&D of light construction machinery. We invest a lot of time and effort in developing the concrete vibrator, plate compactor, power trowel, vibratory roller, etc. We have more than ten years producing experience in the light construction machinery. We can do OEM orders.After sale service:For gasoline concrete cutter , we have 6 months warranty.1. Within 3 months, if there is some accessory going wrong, we will send you the accessory at once, free of charge or deliver the spare parts in next order.2. In the period guarantee, we change the defective parts(but the wearing parts) for free in the condtion that the users comply the rules of transportation, storage and using, if the vibrator is broken or can not be working well.3. No responsibility for man-made destroy.4. If the buyer has any questions from our technical department, we can supply on-line service