"Posted on Nov 6th, 2022.

Concern is growing that the spread of COVID cases and city lockdowns in China will have massive downstream effects for global supply chains that could dwarf previous disruptions since the start of the pandemic.

Last May, the huge Yantian container terminal at the Port of Shenzhen throttled down to 30% of normal productivity for a month to stamp out a handful of positive cases there. Hundreds of thousands of shipments that couldn’t enter the port accumulated in factories and warehouses, and many vessels skipped the port to avoid waiting seven days or more at anchor. It took weeks after the port reopened to clear the cargo backlog. The effects cascaded to the U.S. and Europe, resulting in port traffic jams, transit times triple the norm and missed retail deliveries for the holidays.

The difference this time is that an entire metropolis — and highly interconnected global trade center — is essentially shut down. Not since the initial 2020 COVID-19 outbreak in Wuhan have lockdowns been this extensive in China.

“It’s probably worse than Wuhan,” said Jon Monroe, an ocean shipping and supply chain expert who runs a consulting firm. “You’re going to have a lot of pent-up orders. It’s going to be an overwhelming movement of goods” that will drown shipping lines and ports once the lockdowns are lifted.

Freight is piling up

Twenty-five million people in Shanghai have been sequestered for 18 days. Chinese authorities this week slightly eased the restrictions, dividing the city into three categories based on previous screenings and risk levels. People can wander outside their apartment buildings but are encouraged to stay home in neighborhoods with no positive COVID-19 cases in the past two weeks. Those in high-risk areas must still shelter at home.

Spanish financial services firm BBVA predicts Chinese authorities will stick to the “zero-COVID” strategy and lockdowns until at least June. Other China observers say it could take even longer to meet China’s infection standard.

Shanghai is one of the largest manufacturing centers in China, with heavy concentrations of automotive and electronics suppliers. It is home to the largest container port in the world and a major airport that serves inbound and outbound air cargo. Exports produced in Shanghai account for 7.2% of China’s total volume and about 20% of China’s export container throughput moves through the port there, according to the BBVA report.

Most warehouses and plants are closed, nine out of 10 trucks are sidelined, the port and airport have limited function, shipping units are stranded in the wrong places, and freight is piling up.

More and more, the logistics impacts are rippling beyond the contagion epicenter.

A chart from FreightWaves SONAR database shows a significant downturn in ocean export volume from Shanghai to the U.S. this month.

Impacts spread beyond Shanghai

Export containers that were already at the Port of Shanghai when the lockdown started are making it onto vessels, but most goods booked on outbound vessels are stranded at warehouses because shuttle trucks can’t make pickups or deliveries.

Truckers require special permits, which are only good for 24 hours, as well as negative COVID tests to get in and out of the city or enter certain zones, according to logistics providers. Checking COVID certificates has led to huge traffic jams at the port.

The French logistics provider Geodis reports that truck drivers in the Shanghai area are being forced to wait up to 40 hours at certain highway entrances. Trucking rates have soared because of the limited supply, and shippers are waiting three to five days for cargo to get picked up, according to San Francisco-based Flexport.

Reduced manufacturing output, along with limited truck access to the port and airport, are causing a significant drop in air and ocean export volumes. Less demand is translating to lower freight rates.

In response to the lack of labor and cargo, air carriers have announced widespread cancellations, and some ocean carriers are skipping Shanghai port calls.

Several shipping lines have also begun offloading refrigerated containers at other ports along their voyage because the storage area with electric plugs is too crowded in Shanghai. Customers face extra port fees and delays routing the cargo to its intended destination. Maersk, the second-largest container vessel operator, said Thursday it has stopped accepting bookings to Shanghai for refrigerated cargo, some types of gas and flammable liquids.

More omissions are expected and liner companies may temporarily idle vessels or cancel some outbound Asia sailings altogether, according to Crane Worldwide Logistics and other service providers.

Asia-U.S. East Coast rates have fallen 7% since the outbreaks in March, said freight booking site Freightos, which also publishes an ocean rate index.

“But even if the lockdown persists and demand drops significantly, ocean carriers will likely reduce capacity which could keep rates from plummeting, just as they were able to do in the first few months of the pandemic when ocean volumes fell significantly but transpacific rates declined by less than 15% and were about level year on year,” it said.

The supply chain is backing up like water behind a dam. When water is released, the landscape gets flooded.

At Shanghai Pudong airport, ground handling companies are operating with skeleton staff.

Shanghai Eastern Airlines Logistics, a cargo terminal operator, ceased bulk loading of containers after a positive COVID case, which will further slow cargo processing, said Dimerco, a Taiwan-based freight forwarder. Airlines report that Pactl, which operates three other cargo terminals, has suspended acceptance of dangerous goods and temperature-controlled cargo because the warehouse is full.

Flexport said in a market update that 80% of commercial freighter services have been canceled and airlines are considering shifting operations to nearby airports. Qatar Airways announced that freighter flights will remain canceled until next Thursday, saying “the latest COVID-19 restrictions announced by local authorities limit our ability to operate flights in and out of Shanghai with sufficient cargo loads.”

Freight forwarders have been rerouting cargo to alternative airports such as Zhengzhou, Xiamen, Shenzhen and Beijing, as well as the Port of Ningbo, but those facilities are beginning to feel congestion effects themselves. Rates to ship from those locations are increasing.

Flights at Zhengzhou Xinzheng International Airport are reduced by 50%, according to Geodis. Most inbound cargo there is transit cargo to other cities, such as Shanghai — which is compounding backlogs because the cargo isn’t allowed to move to the final destination. That means logistics companies can only clear shipments that customers can pick up in Zhengzhou.

Dimerco advises that Zhengzhou airport is not accepting loose cargo – only palletized shipments – because of labor challenges. And it has just implemented a 14-day closed-loop program in which workers live on-site to minimize the potential for virus transmission, forcing the logistics provider to pivot again and reroute shipments to other airports, including back to Shanghai’s second airport – Hongqiao International.

Everstream Analytics, which helps companies manage supply chain risk, predicts U.S. and Canadian automotive assembly plants will quickly face delays and disruptions because the lockdowns will affect shipping of parts such as seats, tires, engines, bodies and brakes.

Ships delayed at port of Hong Kong and Yantian

Shipping schedules in South China are being impacted by irregular feeder vessels and large barge services, creating delays for transoceanic vessels at the ports of Hong Kong and Yantian, according to a situational update from supply chain data platform project44. Both ports have been coping with disruptive COVID restrictions for months.

Nearby manufacturing hubs in Vietnam and Cambodia are already suffering from a shortage of Chinese components for their manufacturing industries, project44 reported. And pharmaceutical companies in India, which source 70% of their active ingredients from China, are facing limited supplies.

FreightWaves SONAR data from project44 shows import containers at Shanghai waiting about a week to be cleared. The dwell time has increased since a citywide lockdown went into effect in late March.

Ocean shipping delays from the top three Chinese ports to Hamburg, Germany, and Amsterdam had already doubled to more than 12 days during the first quarter, before the Shanghai lockdown fully materialized, according to project44 data.

Ocean freight expert Lars Jensen, CEO of Vespucci Maritime, summed up the situation on his LinkedIn page this way: “Until this situation is resolved — which appears next to impossible when matching the omicron variant with zero-tolerance — we should expect drops in export demand, port omissions and more blank sailings in the near term future as well as Shanghai-bound cargo increasingly being discharged elsewhere.”

COVID lockdowns spread

Meanwhile, COVID infections are spreading beyond Shanghai, according to news reports and logistics companies. The southern manufacturing hub of Guangzhou, for example, has started mass COVID testing, introduced travel restrictions and shifted schools to online learning — steps that often portend a wider lockdown.

The city of Kunshan — an important production center for electronics near Shanghai — is closed down until April 19. Part of Taicang, another manufacturing area in Jiangsu province, is also locked down. A surge of new COVID cases is hitting the coastal cities of Dalian and Tianjin in the north, Ningbo in the east, and Xiamen and Dongguan in the south.

Ningbo officials ordered residents in two downtown districts to sequester at home, but so far the seaport is not affected. Nantong is on a partial lockdown until April 15. Port operations have been severely impacted, with logistics companies diverting shipments to Nanjing. Zhangiagang is also under partial lockdown until April 19, resulting in slower port operations and some factory closures.

FreightWaves SONAR data shows ocean carriers rejecting more than 34% of container (TEU) bookings from Shanghai to the U.S. up from 12% on March 15. Rejections for China overall are about 20%, indicating capacity is much tighter in Shanghai. Lower capacity will likely put pressure on rates once throughput picks up.

Many shippers are exercising contingency plans and using alternative import/export gateways when possible, but road transport is increasingly difficult.

The outbreaks have led to a virtual ban by authorities on truck drivers from high- and medium-risk areas transporting cargo to low-risk areas. That includes transporting cargo from Shanghai and Kunshan to the Port of Ningbo. No cargo will be accepted if drivers have been to medium- or high-risk areas within the last 14 days or the factory is located in medium- or high-risk areas, said UPS Supply Chain Solutions in a customer update.

As of Friday, Dalian, Tianjin, parts of Beijing, Shanghai, and Dongguan are all in high- and medium-risk areas.

Dimerco said in a notice that traffic control for road transportation is getting more strict and it is difficult to secure trucks to bring freight to Shanghai or alternative ports.

Lockdowns ease U.S. supply chain strains before flood of cargo

The slowdown in China exports should provide temporary relief to congestion-plagued U.S. ports on both coasts, as well as in Europe, but logistics experts say the breather is likely to be followed by a tsunami of deferred cargo once the lockdowns are lifted. The cargo volume will far exceed the handling capability of the ports, with containers jamming up terminals faster than they can be transferred to inland transport and pushing vessels into long queues at sea.

Delta Air LInes (NYSE: DAL) President Glen Hauenstein said on an earnings call Wednesday that once the Shanghai restrictions are lifted, the airline expects a boom in cargo bookings that more than offsets the current export lag.

A mass quarantine that lasts until June could mean the drawdown of backlogged air and ocean freight pushes into the peak shipping season, as more volume enters the system.

“Even with air and ocean ports open, the length of the shutdown could make this iteration the most significant logistics disruption since the start of the pandemic,” Freightos said in its update.

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