https://www-file.huawei.com/minisite/media/annual_report/annual_report_2023_cn.pdf 
https://www-file.huawei.com/-/media/corp2020/pdf/giv/industry-reports/green_development_2030_cn_0427.pdf 
https://www.huawei.com/cn/sustainability/sustainability-report
https://e.huawei.com/cn/marketingsearch/web/#/?lang=zh&site=cn&keyword=PPT%E6%A8%A1%E6%9D%BF&getitAddress=lang%3Dzh%23lang%3Dzh%26type%3DEBG_MM%26keyword%3DPPT%E6%A8%A1%E6%9D%BF