ICBC and bank of china did not do supply chain, they are required to report the number of suppliers subject to environmental impact assessments, the number of suppliers identified as having significant actual and potential negative environmental impacts, the significant actual and potential negative environmental impacts identified in the supply chain, report the percentage of suppliers identified as having significant actual and potential negative environmental impacts with which improvements were agreed upon as a result of assessment and report the percentage of suppliers identified as having significant actual and potential negative environmental impacts with which relationships were terminated as a result of assessment.