Hi dear friends welcome to visit us Shenzhen Umelody Technolgy Co., Ltd company. : Hoping we can do business friendly.brD team OEM,ODM order are both available and welcome./br3.Strict quality control> Raw material checking is 3 times checked before production and product 3 times tested before shipment.;br4. Provide excellent pre-sales and after-sales service> 1 years warranty for our products.br<5. We have build up VIP Customers Dept to provide you VIP Gold Service once your choose us as your supplier.br