Once the most convenient country to perform crew changes for seafarers, China has now become the most cumbersome after the Chinese regime instituted a seven-week COVID-19 mandatory quarantine policy for returning Chinese seafarers in November. The Chinese regime’s attempt to maintain a COVID-zero strategy has infuriated the shipping industry, as it sets off a fresh wave of disruption into a global supply chain already plagued by shipment delays and crew change crisis. Even vessels with newly changeover crew must wait two weeks before they are allowed to enter Chinese ports. The situation has caused shipowners to reroute ships and swap ship operations. Above all, it made the recruitment and repatriation of Chinese seafarers a near impossible mission.  “China’s restrictions cause knock-on effects,” said Guy Platten, secretary-general of the International Chamber of Shipping, representing shipowners and operators said in a Bloomberg report. “Any restrictions to ship operations have an accumulative impact on the supply chain …