Disclosure Documents Sustainability Disclosure Documents External Assurance Occupational Health and Safety Policy Policy on cyber security and information technology systems (Thai version) Audit of the environmental inventory for organizational carbon footprint assessment 2022 Carbon Footprint of Organization Verified Report Assurance Statement of the Sustainability Report 2021 carbon footprint of products and circular economy certificate carbon footprint of organization certificate Procurement Policy Supplier Code of Conduct Environmental and Energy Conservation Policy Human Rights Policy Tax Management Policy Board and Sustainability Development Committee Audit of the environmental inventory for Corporate Carbon Footprint assessment 2023 Carbon Footprint of Organization Certificate 2023 Carbon Footprint of Organization Verified Statement 2023 Human Rights Committee