OK. As for no response, that is what you will get -- basically always -- whether your suggested site is listed, rejected, or remanded to another category for the same treatment. Oh, VERY occasionally an editor will contact a very interesting-looking site that (due to easily remediable technical reasons) isn't listable. But 99.75% of the time (in my experience, and yes, this is an actual calculated statistic, not invented for effect) there will be no editor contact. Editors are building a directory -- from their point of view, they are not helping you list your site, they are letting you help them find appropriate sites. (If your submittal is not useful, you're no help, and they're NOT going to want MORE contact with you.)
The only way to get a response is by directly contacting the editor (but ... because of experience with harassing webmasters, most editors won't directly respond to this either) or by ... using a forum like this (which is the best way.)
So, a quick response is: Business has a large backlog of submitted sites, and this category had over 90 submitted sites when I looked (that's bad news) and no local editor (that's not really significant either way). Most submittals probably belonged in that category (that is, the category is not a major spam target, which is sort of good news.)
I'm hardly an industry expert, but it looks to me as if that might be the right category for your site (that's always good to hear.)
Remember that if the company has a factory in a particular location, then its site may be listed in a Regional category, in the relevant city. While you are waiting, consider submitting it to the appropriate category in Regional/Asia/Taiwan (I presume?) which might help it get listed more quickly. I know the guidelines say "pick the ONE most appropriate category," but (trust me on this one) we editors will NOT mind if you pick one appropriate topical category and one appropriate Regional category. (Obviously, for some kinds of sites, there may not be any appropriate topical category; for others, there may not be any appropriate regional category. But this site doesn't look like either of those.) Also, if you have a site in Chinese (or other languages), it may be listable in a World/Chinese category. Again, we really don't mind if you submit a bilingual site to categories in two different languages.
