1.quality: satisfied quality as confirmed sample.we have own QC apartment to promise the quality. 2.price: competitive price to help you making the best profit and develop your market. 3.delivery time: based on your quantity and your requirement,will be asap. 4.service: 24 hours service and fast reply for any of your questions, 5.promise: we promise that once there is quality problem,we will solve it asap.