Q1: Are you manufacturer ? A1: Yes, we are manufacturer. Q2: How long is your delivery time? A2: Normally 3-5 working days after payment; Special requirement orders, delivery time is negotiable. Q3: If the products can't work after receiving it,what should I do? A3: We will replace new items for you at once and then we make the judgement for the issue. Q4: What is the warranty? A4: 1-3 months to replace new items for free. 1-2 years repairing free according to different products. Q5: Do you accept OEM design? A5: Yes,we do.We can design according to your requirement, MOQ usually 500-1000. Q6: Do you accept pay 30% in advance? A6: Yes,we do.We can start to prepare your goods when receive 30% payment, and send them after get the rest 70% payment. Q7: What payment terms you accept? A7: We accept Paypal, T/T, Alibaba Trade Assuarce, Western Union, Wechat, Alipay, in Cash (RMB or USD).