[AM software r & d Dept.] In Normal Condition and if you breakdown, use the product within 3 months from date of purchase, and new product with warranty and exchange are always at your service. To make sure you email us before you order, thanks. taozon38 @ GMAIL. [Amazon. com Warranty for excluded] Shaped Top; Used on heavy duty, mistake, fading or breakdown caused by an accident, or painted surfaces, plated in stews, bleeding in the breakdown of the spring and not affect function on, sound, vibration, oil, rust Cracks etc., earthquake, Typhoon, depending on the fires in 天災 such as water damage and accidents and fire any defective, please check the other consumable parts and an additional lamp, hoses, fuse, the belt photographed, seal, new item, when you install it again the processing costs and 工賃 etc.