Nantong factory of Songjiang group has established multiple storage systems to control the inventory of Songjiang products and ensure that the products are safe.
Link to this article: https://www.songjiangflex.com/storage-center/%e6%88%90%e5%93%81%e5%82%a8%e5%ad%98%e4%b8%80%e5%8c%ba/