Semiconductors have been South Korea's leading export product in recent years,... but with global demand losing steam,... the country's producers are slowingdown production.<br />According to Statistics Korea on Sunday,... the operating rate of semiconductor factories has been falling for four straight months,... hitting 97-point-one on the index in February.<br />That's down four-percent on month,... and marks the lowest rate seen in the 43 months since July 2015. <br />