Q1 :are you a factory? A1 :yes.we are a professional manufacturer with more than 8years Q2. Can you make the products with my design? A2: Yes, we accept OEM and ODM. Q3: Is the sample charge can be refundable? A3 : Yes, normally the sample charge can be refundable when you confirm the mass production, but for the specific situation plscontact the people who follow up with your order. Q4:What's the guarantee of product quality? A4:We have experienced and skilled labors and QC team. Please don't worry about it.