
Supply Chain Management
บริษัทมีกระบวนการคัดเลือกคู่ค้าควบคู่ไปกับบริหารจัดการความเสี่ยงคู่ค้า ครอบคลุมปัจจัยด้านคุณภาพสินค้าและบริการความปลอดภัย สิ่งแวดล้อม สังคมและการกำกับดูแลกิจการ โดยคู่ค้าใหม่ต้องผ่านการขึ้นทะเบียน และคัดเลือกตามเกณฑ์ที่บริษัทกำหนดไว้ก่อนจึงจะสามารถเข้าร่วมดำเนินธุรกิจกับกลุ่มบริษัทได้

The Company promotes compliance with the Sustainable Code of Conduct for Suppliers of UAC Group among all suppliers across all categories and industries. The Company has established three key sustainability processes within its supply chain management framework as follows:
- Supplier Selection and Qualification
- Supplier Risk Identification and Assessment
- Supplier Sustainability Development and Support
Supplier Selection and Qualification
The Company considers both new and existing suppliers in alignment with its sustainable development approach. Criteria relating to product and service quality, as well as sustainable supply chain management based on Environmental, Social, and Governance (ESG) principles, are incorporated into the supplier selection, qualification, and evaluation processes. These criteria apply to both existing suppliers listed in the approved supplier database and newly appointed suppliers.
Supplier Risk Assessment
1. Supplier Classification
The Company has established a supplier classification process, which is reviewed regularly. Suppliers are categorized into three groups as follows:
- Critical Tier 1 Suppliers
- Critical Non-Tier 1 Suppliers
- General Suppliers
2. Supplier Risk Assessment
The Company identifies and assesses supplier risks by taking into consideration both internal and external risk factors. Supplier risk assessments are conducted at least once annually in accordance with the established assessment criteria, covering the following key risk areas:
- Economic Risks
- Governance Risks, including corruption, tax avoidance, and compliance with applicable laws, regulations, and requirements of relevant government authorities
- Environmental Risks
- Occupational Health and Safety Risks, including operational safety, accident statistics, emergency preparedness, and emergency response management
- Social Risks, including human rights, labor practices, and community complaints
Supplier Sustainability Development and Support
The Company places importance on enhancing supplier capabilities and fostering collaborative partnerships to promote sustainable growth together with suppliers. Key approaches include:
- Establishing joint business planning and collaboration with suppliers to develop innovations or new projects that enhance sustainability performance for both the Company and its suppliers
- Conducting supplier sustainability self-assessments to review operational performance against the Company’s requirements and expectations
- Building long-term relationships with suppliers through knowledge-sharing initiatives, such as supplier meetings for exchanging ideas and experiences, as well as inviting suppliers to serve as speakers or share expertise with the Company’s employees on a continual basis

The supplies and service procurement policy is the part of the main and significant process in supporting the sustainability in business operation of the UAC Group requiring to build confidence to the stakeholders through the transparent, fair and verifiable supplies and service procurement process under the management framework with the supporting practical guideline to be consistent in the same direction both of UAC Group. Therefore, the Company has established the sustainable supplies and service procurement policy with the following essence.
- Procure supplies and services pursuant to the defined criteria and standards efficiently and effectively in terms of quality, price, quantity, service provision, and rapidity in feedback under concern on the responsibilities covering the economic, social and environmental dimensions.
- Procure supplies and services transparently and fairly without discrimination, in the verifiable and law-abiding manners.
- Procure supplies and services fairly with the business partner companies, principle, suppliers, or sub-contractors, under the selection according to the determined rules, the equitable treatment of the business partners, the complete, proper, and clear information provision, and the opening of the whistleblowing channel for complaints and suggestions.
- Procure supplies and services under the environmentally friendly concern to bring about the sustainability.
However, all executives and employees of the Company in UAC Group have duties to support, advance, and strictly perform under the supplies and service procurement management policy and framework.

UAC Group has established the Sustainable Code of Conduct for Suppliers of UAC Group by considering applicable laws, regulations, and relevant requirements as the framework for supplier sustainability practices. The Code aims to ensure that suppliers acknowledge and adhere to business conduct standards emphasizing transparency, ethical business operations, social responsibility, occupational health and safety, and sustainable environmental management.
The Company’s sustainable supply chain management approach covers supplier selection processes, quality control of products and services, regular supplier performance evaluations, supplier risk assessments, and the promotion of supplier compliance with the Sustainable Code of Conduct for Suppliers of UAC Group. The Company also encourages strategic collaboration and long-term mutual growth while jointly preventing business disruptions related to environmental, social, and governance (ESG) issues.
Environmental

Environmental Management
Suppliers shall establish environmental management systems and strictly comply with applicable laws and regulations relating to safety, occupational health, and environmental protection. Suppliers are expected to implement strategic environmental management practices, including environmental impact assessments throughout business operations, environmental responsibility, and environmental risk management.
Efficient Resource Utilization
Suppliers shall manage resources efficiently, including energy and water consumption, pollution reduction, and efficient use of raw materials through reuse and recycling practices. Suppliers are encouraged to reduce overall energy consumption, support alternative energy utilization or efficient resource management plans, and minimize environmental impacts arising from business activities and products.
Biodiversity, Deforestation, and Land Conservation
Suppliers shall cooperate and commit to protecting biodiversity and ecosystem management, including efficient utilization of land and natural resources. Suppliers shall avoid deforestation activities and promote environmentally friendly community development.
Pollution Prevention and Waste Management
Suppliers shall identify, segregate, monitor, and appropriately manage waste and hazardous waste. Wastewater treatment, emissions, and combustion by-products generated from production processes and operational activities shall be properly treated prior to release into the environment. Suppliers shall prevent air and water pollution and ensure proper use and disposal of hazardous chemicals, including the management of other forms of pollution such as noise, odor, vibration, electromagnetic emissions, radiation, or other pollutants in compliance with applicable laws and regulations, with regular quality monitoring in place.
Greenhouse Gas Reduction and Climate Change Mitigation
Suppliers shall cooperate in mitigating climate change impacts and reducing both direct and indirect greenhouse gas emissions arising from their operations and supply chains. Suppliers are encouraged to establish carbon neutrality targets and assess the carbon footprint associated with their products and services.
Social
Human Rights
- Equal Treatment
Suppliers shall respect diversity and differences among employees and workers and treat all individuals fairly and equally. Suppliers shall uphold internationally recognized human rights principles and shall not discriminate on the basis of race, nationality, ethnicity, skin color, religion, social status, marital status, gender, age, sexual orientation, disability, or political opinion. - Anti-Harassment
Suppliers shall prohibit all forms of harassment and abuse within the workplace, including any unwelcome behavior, whether sexual or non-sexual in nature, that creates an intimidating, hostile, or offensive working environment. - Child Labor
Suppliers shall not employ workers below the legal minimum working age and shall not require workers under 18 years of age to perform hazardous work or night shifts. - Forced Labor
Suppliers shall prohibit all forms of forced or involuntary labor, including bonded labor, coercion, threats, or any form of involuntary work performed under punishment or intimidation. - Freedom of Association
Suppliers shall recognize employees’ rights and freedoms to join or not join associations, labor unions, federations, and collective bargaining activities in accordance with applicable laws. - Working Conditions
Suppliers shall comply with applicable local labor laws and regulations regarding working conditions, including working hours, compensation, and termination practices. - Wages and Benefits
Suppliers shall provide wages, compensation, and benefits in compliance with labor laws and shall not unlawfully deduct employee wages unless otherwise permitted by law. - Skills Development
Suppliers shall support employee training and capability development through workforce development planning, skills assessment, training programs, and learning opportunities to enhance operational effectiveness and efficiency.
Occupational Health and Safety
- Workplace Safety and Working Environment
Suppliers shall establish occupational health and safety policies to ensure a safe and healthy working environment. Appropriate personal protective equipment (PPE) shall be provided to employees, and employees shall be encouraged to raise workplace safety concerns openly. - Emergency Prevention and Response
Suppliers shall identify and assess potential emergency situations and establish emergency preparedness and response plans to minimize impacts arising from such incidents. - Community Engagement and Development
Suppliers shall actively engage with surrounding communities and support initiatives that promote skills development, employment opportunities, income generation, and health awareness for community members and neighboring communities.
Governance
Regulatory Compliance
Suppliers shall conduct business in compliance with all applicable international, national, and local laws, regulations, business requirements, and necessary operating licenses.
Anti-Corruption and Anti-Bribery
UAC Group is committed to strict compliance with anti-corruption, anti-extortion, anti-fraud, and anti-bribery principles. Any supplier found to be involved in bribery or corruption practices shall be subject to contract termination, and UAC Group shall not be responsible for any resulting damages. Suppliers may also be subject to legal action.
Fair Competition
Suppliers shall not engage in or support any activities that violate competition laws or regulations, including illegal price fixing, market allocation, or any anti-competitive conduct. Suppliers are encouraged to promote fair competition throughout the supply chain, including anti-monopoly and anti-dumping practices, and shall not exploit inappropriate social, market, or financial conditions for unfair competitive advantage.
Gifts and Hospitality
Suppliers shall acknowledge that UAC Group employees are prohibited from offering or accepting gifts, souvenirs, or benefits that may influence business decisions or create unfair advantages, except for customary business courtesies provided openly and transparently.
Conflict of Interest
Suppliers shall report to UAC Group any actions or situations involving UAC Group employees that may constitute a conflict of interest, together with relevant supporting evidence.
Confidentiality
Suppliers shall establish measures to prevent unauthorized disclosure of UAC Group’s confidential information.
Disclosure of Information
Suppliers shall maintain accurate records and disclose information relating to business operations, environmental performance, social activities, organizational structure, and business performance in compliance with applicable laws and regulations.
Intellectual Property Rights
Suppliers shall establish policies and practices to prevent intellectual property infringement, including copyrights, patents, and trademarks. Suppliers shall promote awareness among employees, respect the intellectual property rights of others, obtain lawful authorization prior to use, and refrain from participating in any activities involving intellectual property infringement.