2017-2023年箱板瓦楞纸需求&宏观经济增速对 原图定位 瓦楞纸进口增速(%) 15.0% 15.0% 15.0% 15.0% 15.0% 15.0% 15.0% 15.0% 箱板纸供给增速(%) 1.6% 2.0% 2.4% 2.8% 4.4% 6.0% 7.6% 9.2% 瓦楞纸供给增速(%) 2.9% 3.5% 4.6% 5.5% 6.8% 8.2% 9.9% 11.4%