| | | | | | | | | | | | | | | | | | | | | | | PVC | | | PVC | | | | 3 | | | | | | | | | | | | | | | | | | http //www.mem.gov.cn | | | | | | | | | | | | | | APP | | | | | | | | | | | | | | | | | 2015 94 | | | | | 2010 179 | | | | | 010 64464067 010 | 64463015 | | | https //www.gov. | cn/zhengceku/2019-08/10/5454615/files/37887fdf92bb4db2bd413c9518b853b3.pdf | | | 2019 8 10 | | | | | | | | 129 | | | | | | | | | | | | 2 18 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 2.2 | 2021 | 30% 32.8% | 19.2 27.3. | 4456 38% | | | | | 2022 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5G | | | | | | | | | | | | | | | | | 2021 | | | | | | 2021 11.2 | 164 55.3% 567.6 | 55.6% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |