First of all, you should choose a good supplier with good quality and good price. Secondly, you should use the Internet to promote yourself, and you should use a network platform to classify your customers. On the other hand, you should also make personal customization with upstream manufacturers, because now more and more Wan Wen supports personal customization. Another one, you should go to the big data on Taobao to see what sells better, so that you can get a general data!