Container shipping rates for routes from China have climbed 28.1% in the eight weeks to June 11. That’s been due in part to ongoing congestion at the southern Chinese ports centered on Yantian. Maersk has indicated that the ports at Nansha, Shekou and Yantian are running at just 45% of capacity. Ocean Network Express and CMA CGM have both applied surcharges for shipments into Yantian of $1,000 per container and $1,250 per refrigerated container respectively. There’ll be a knock-on effect to U.S. imports within a few weeks. The three ports accounted for 11.7% of U.S. seaborne imports in 2...