SMM News on March 21st: According to customs data, China's die-cast zinc alloy exports in January were 531.78 tons, China's die-cast zinc alloy exports in February were 151.43 tons, and the cumulative export volume in January-February was 683.21 tons, up 37.89% year-on-year. According to historical data, the cumulative export volume from January to February this year also reached a record high in the past four years. What is the reason for this? How will China's subsequent export of die-cast zinc alloys develop?