1.Custom service (Logo,color box, manual, sticker,function,color...)2.We can offer one-stop service and promises to respond to customer requests within 24hours. 3.Quality control: We do 100% testing before delivery and defective rate less than 0.1%. 4.After sale service: all the complains will be handled in 24 hours and send to our CEO email. 5.Our factory can offer OEM&ODM service.