Scientific DataDataset on the dynamic stocks and flows of 20 types of plastics in China, 1978–2022Yucheng RenHengzhi ZhuYuheng CaoXiaobin JiangDingjiang ChenMeng JiangMing XuBaohua GuoBing Zhu2025-12-03Full textDOI https://doi.org/10.1038/s41597-025-06363-0