Here is their contact page from their website:
CONTACT | VALENTI JAPAN|
Here is their FB page:
https://www.facebook.com/Valenti-Japan-593044990833783/
By the way, which companies are you receiving replies from... especially the second so that I can specifically not deal with them. I understand they don't want to expand their competition, but they're not the only company who sells Valenti. That reply was just him/her being an douche...