How can I initiate the negotiation process in the Ocean Freight Marketplace?

After you have completed a search (by selecting the Port of Loading and the Port of Discharge, setting the container Type, ETD's start and end). You can then do as follows: 

• Click on View Details
  
  
  
  
• You can select the option to Negotiate
  
  
• You can fill out the details of your counteroffer as shown below: