or take a picture of the problem to me in eBay message, we will check the question and solve it for you as soon as possible, thank you. 3. It is the buyer’s responsibility to check the correct part, if the buyer bought the wrong item, the buyer is responsible for the return and exchange postage, or our refund does not include the postage, thank you. Contact Us 1. We hope you have a pleasant shopping experience with us and 100% satisfied. If you have any questions, please feel free to contact us via “Ask seller a question” BEFORE leaving neutral or negative feedback or 1,2,3 ratings, so that we can satisfactorily resolve your concerns. Please give us the opportunity to resolve any problem. We will reply your email within 24 business hours. 2. Our working time is Monday to Friday from 9:00 AM to 6:00 PM. We do not work on public holidays in China.