As a buyer, you can:
1) Send, receive, and save messages from other members
2) Manage buying requests and view quotations from suppliers
3) Manage your orders
4) Edit your member profile and privacy settings
As a seller, you can:
1) Post and manage your products
2) Manage your company profile and customize your store website
3) Manage buying requests and quotations
4) Send and receive messages. Manage contacts