1. Warranty: 12 months. 2. Installation: a. buyer installed themselves according to our brief guide note; b. we send technician to finish installation, buyer should pay us the cost.
3. Spare parts changing ( over warranty): We offer any very small quantity ( much less than the MOQ) spare parts need to be changed but over the warranty, just take the normal sale price cost, buyer just paid for freight and MOQ price is ok.