The world economy is recovering, but its recovery momentum is weak and there have been short-term setbacks. However, the Purchasing Managers' Index of China's manufacturing industry reached 51.9% in March, running in an expanding range for three consecutive months, indicating that the Chinese economy is still steadily recovering and will play a key role in the global economic recovery. The world economy is recovering, but its recovery momentum is weak and there have been short-term setbacks. However, the Purchasing Managers' Index of China's manufacturing industry reached 51.9% in March, running in an expanding range for three consecutive months, indicating that the Chinese economy is still steadily recovering and will play a key role in the global economic recovery.