Due to factors such as flights, National Day, holidays, weather, and local natural disasters, there may be some delays. We will do our best to assist you. Screws, bass knobs, plastic coverings, protective films, etc. We are willing to answer your questions and we will provide you the best soloution within 24 hours. Please understand that we are not in the office on Saturday and Sunday, so the questions asked over the weekend will be answered on the following Monday. If you are satisfied with our service, please rate us. Your valuable feedback and comments are very important to us.
