Soton Daily Necessities Co. Ltd. sees a significant gain in its income as it moves up the value chain

This year, one of China's largest drinking straw manufacturers, Soton Daily Necessities Co., Ltd., started producing edible starch products. The company has increased its spending on research and development to increase the value chain over the past few years in the eastern Chinese city of Yiwu, China's largest small commodity hub.

Soton has issued more than 200 patents over the last two decades and established eight Industry....