It would be great if some of the several sources of Chinese language books were supported by PaperPile's metadata importer. Books.com.tw is one of the main online booksellers in Taiwan and a good source of metadata. I wonder if it might be possible to add support for this site (or other similar sites) to PaperPile? I am happy to help out if any help is needed to implement this.
(I thought I had created a previous feature request for this topic a year or two ago, but I couldn't find it. Sorry if this ends up being a duplicate.)