ination of mechanical and manual technology??Easy installation:5.Product qualification5.Deliver: Finish production on time and qualityShipping:By sea、By air and express?Port:Ningbo or Shanghai6.FAQ1.Why choose us ?-Price:We are factory price.-Good quality:We are golden suppliers and we are experienced in quality control.2.How many years warranty I can get ?Normally 2-5 years warranty ,we will take care of any problems during the warranty .