Activity in the container charter market remains high with one fixture in particular giving tonnage providers pause for thought. After being fixed and failed in late March, the 2009-built, 4,253 teu Synergy Keelung has been fixed for a minimum 24-month period at $23,000 with Thailand’s Regional Container Lines (RCL), a rate brokers Braemar described today as “remarkably firm” given the fact that last panamax fixture managed to achieve a 12-month period only and the owner of the Synergy Keelung, Greece’s Euroseas, was able to achieve a 5% rate increase for a period twice as long,