1.Q: Do you offer samples for testing?A: Yes,we offer samples for testing with cost paid by buyer.Besides we welcome our customers to take sample as we believe seeing is believing.2.Q: What's your MOQ?A:we have no moq if stocked and 2000pcs if OEM order.3.Q:Do you have warranty?A :Yes,we have warranty of 1 year period.4.Q:Do you have certificates for your products?A:Yes,we have UL/CUL,FCC, RoHS,CE,KC,SAA,TUV GS Certifications.5. Can you design the new housing based on our design?A: We can design. one week make up sample. 30days sample test 45days start to MP?6. What's the main product of you factory?A: We are the supplier for mobile cooler fan, laptop cooler , PPT Flip pen and mobile finger sleeve.7. Do you have some new product coming?A: We will design more and more new product with different high quality.8.Q: What's your payment item?A: Our standard payment is T/T in advance, Paypal and Western Union.