Most of your questions (if not all) can be answered by browsing through their site.
[*]How does they drop shipping process with their company works?
To learn more about their dropship process please refer to this page - Link hidden: Login to view
[*]I believe they are located in Europe. Is it possible for them to drop shipped to the United States?
Not sure if they offer dopshipping to US based customers. Their service may be limited to within Europe as mentioned here - Link hidden: Login to view
It might be best that you contact them directly about this
[*]When drop shipping their products do they dropship one piece are in bulks? and [*]Do they sell our offer to provide samples?
Kindly contact the dropshipper directly as they would be able to address this one accordingly.
[*]Are there Membership fees to sign up for their drop shipping program?
They offer a yearly ($500/year) and monthly ($125/month) subscription plan for their dropshipping program. For details you can refer tp this screenshot - Link hidden: Login to view
or visit Link hidden: Login to view
[*]What are their forms of payment?
As stated on their site: Link hidden: Login to view
... &Itemid=18 (item #10)
Payment is always before delivery. We accept bank wire transfer, Letter of Credit, Fly & Pay in cash (only after payment of a deposit). Credit cards payments are accepted only in our offices to allow prior checkings.
[*]If they are located and Europe, are there any other telephone numbers they could provide to customers in the United States?
Yes, they're located in France. Please see their contact details below (under your last question).
[*]Also, could you ask if they could provide contact information so that I will be able to contact them personally?
They are based in France:
Office & Warehouse:
RN7 Les Quatre Chemins
83340 Flassans sur Issole - France
Tel: + 33 (0) 494 866 845
Fax: + 33 (0) 494 866 845
You can email them via their contact form - Link hidden: Login to view
Hope this helps!