涪陵榨菜：公司近两年加大了青菜头原料的收购量

Group 1 - The company has increased the procurement of green vegetable head raw materials over the past two years while reducing the purchase of semi-finished products [2] - The company plans to stabilize the fluctuations in raw material market prices by advancing scientific operations and enhancing raw material storage facilities [2] - The company aims to maintain sufficient raw material reserves to mitigate the impact of future price volatility [2]