I work for this Marketplace - X Crypto Market - xcryptomarket.com
X Crypto Market - It is a P2P Online Marketplace where people can buy and sell Products and services using 50+ Different crypto currencies
I wanted your suggestions about these following questions
1. Where can I find vendors who can sell their products or service on our marketplace ?
https://bitcointalk.org/index.php?board=5.0 - Marketplace
https://bitcointalk.org/index.php?board=52.0 - Services
https://bitcointalk.org/index.php?board=73.0 - Auctions
https://bitcointalk.org/index.php?board=51.0 - Goods
2. Which kind of websites we should partner with . Which should help both of us ?
Much better if you can get crypto related websites.
3. Any other special crypto currencies you would like to see on our Marketplace ?
The usual top 10 crypto will do, imho.
4. Where we get good backlinks from websites related to crypto industry
5. If you have any other idea or suggestion then feel free to share
That you need to look for, you can go to Services section that I pointed out in your first questions and maybe ask other website owners to exchange backlinks with your website.