Welcome to SaleHoo, JapanSeller!
How long has it been since you emailed/contacted Revelation Concepts? Phone is often a much more effective way of contacting suppliers than email. Suppliers often have a backlog of support emails to deal with, so it may take a few days for them to get back to you. Whereas with phone, you get priority straight away. If they still haven't contacted you after 3 business days, please email us so that we can make a follow up.
Kashwere LLC fulfills wholesale orders as mentioned in this article:
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Their site URL is Link hidden: Login to view and when you click on the 'Wholesale Inquiries' link at the top of the page you will be redirected to Link hidden: Login to view
I would suggest you contact them and inquire about a wholesale account or how you can purchase their products at wholesale. They are also willing to help you locate their authorized dealers if that is what you want.
Also, I found another supplier that offers Kashwere at wholesale, all you have to do is open a wholesale account with them. To visit them please click on this link:
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Hope this helps. All the best!