Q:How I can do if I have problem after receive products? A: You can use phone call, mail or skype to contact with our sales, our sales will help you discuss with engineer. Q:What kind of after-sales service do you offer? A:One year warranty,lifetime maintenance. B:24 hours online service,you can contact us any time! Q: What is the MOQ of your products? A: 1 piece. Q: When can you deliver the goods after you receive the order? A: 10-15 work days after receiving deposit. Q: How long will it take to deliver goods from China to my country? A:As for the time different port is different .