Warranty: Most products have 1 year warranty upon each purchase.If you meet any problem regarding defects or operation,please do not hesitate to contact us.If any customer make a wrong purchase,please just let us know,we will try to fix it with the lowest price.   Shipping: We handle all orders within 3-10 business days before dispatch,because our production team need to install the products and our QC team will inspect the goods before each shipment. Please ensure that your address, post code, and mobile phone number are correct. So that the courier company can contact you.   Q1. Do you offer free samples? A1: Free samples are available . Q2. Do you offer OEM service and can you product as our drawings? A2: Yes, we can customize according to your drawing , or make drawing according to sample as your requirement. Q3. Do you accept our design on boxes? A3: Yes. We accept.