1).Once you have received your product,please take a moment to leave us a positive feedback. 2).Please contact us before leave Neutral or Negative Feedback,We'll try our best to work out the problem for you. 1, How can I get a discount? We always show the best retail price we can offer,so you always get the cheapest price on our on-line shop.If you are a wholesaler for bulk order,please contact us firstly,Please follow the step as bellow: 1)Place order firstly,do not pay money immediately. 2)Leave us a meage to ask us if there is special discount. 3)We will answer you in 24 hours. 2, Do your products have warranty? Yes,It is 1 year warranty. 3, What can I do when long time paed I still did not get the parcel? This situation always happened with post office air parcel.When you found your parcel tracking info shows parcel have left China mainland,but no info on your local post office website,now your parcel is on the way to your country,or arrived at your country but only because your local post officer is too busy to deal with your parcel temporary,please be patient. When the receipt time is le than 10 days left and you still did not get the parcel,please contact with us,we will extend the receipt time for you and try to help find the reason for delay and try to solve,any news will let you know in time.