Q1. How long is the warranty? A1. One year warranty. Q2. How to deal with quality problems during warranty period? A2. We will provide free technical support, repair or replacement of products. Q3. Can we put our own logo on the product? A3. Yes, we can. OEM is acceptable and available. Q4. How long will your lead time be after receipt of payment? A4. Sample order: within 3 working days; Official order: 10-15 working days Q5. What terms of payment do you offer? A5. Western Union, Secure Pay, PayPal, Wire Transfer Q6. What if I don't know how to use the machine? A6. We have an operating video and user manual for your reference, and we also provide 24-hour online service for you. Q7. How do you ship the goods? A7.Sea, air or express service, depending on your request. Q8. What's your best price? A8. Prices are negotiable, depending on order quantity or packaging requirements. In order to give you the best price, we strongly suggest that you let us know the quantity you