Environment-Related Substances Management
LITEON manages environment-related substances throughout product design, material selection, supplier qualification, manufacturing, and product compliance verification. The management framework is based on the IECQ QC 080000 Hazardous Substance Process Management System and the LITEON Standard of Controlled Hazardous Substances (LS301).
First implemented in 2010, LS301 applies to all LITEON products and materials. The standard incorporates applicable international regulations, industry standards, customer requirements, and emerging substance-related risks. LS301 is reviewed and updated regularly to reflect regulatory developments and changes in customer requirements.
In 2025, LS301 covered 569 controlled substances, comprising prohibited substances and substances subject to declaration or disclosure requirements. The controlled substances encompass applicable requirements under regulations and standards including EU RoHS, EU REACH, California Proposition 65, the Montreal Protocol, and IEC 62474.
LITEON conducts hazardous-substance risk screening across 100% of its product portfolio through LS301 and the Green Product Management System (GMS). The assessment covers materials, components, parts, semi-finished goods, and finished products and is integrated into product design and development, material recognition, supplier management, and change-control processes.Through value chain management of environment-related
substances, and as LITEON does not supply products to medical or military-related organizations, the Company recorded no violations of international restricted substance regulations in 2025, no customer complaints related to restricted substance threshold requirements, and 0% of annual revenue was derived from products containing IEC 62474 declarable substances.
| Management Element | Management Approach |
|---|---|
| Management Standard | IECQ QC 080000 Hazardous Substance Process Management System and the LITEON Standard of Controlled Hazardous Substances (LS301) |
| Application Scope | All LITEON products and materials, including raw materials, components, parts, semi-finished goods, and finished products |
| FY2025 Controlled Substances | 569 controlled substances, including prohibited substances and substances subject to declaration or disclosure requirements |
| Product Portfolio Coverage | 100% of the product portfolio is subject to hazardous-substance risk screening through LS301 and GMS |
| Regulatory and Customer Requirements | Applicable requirements under EU RoHS, EU REACH, California Proposition 65, the Montreal Protocol, IEC 62474, and customer-specific restricted-substance specifications |
| Supplier Requirements | Compliance with the LITEON Green Procurement Guidelines and submission of restricted-substance compliance declarations and supporting test documentation |
| Compliance Verification | Review of supplier declarations, material composition information, laboratory testing data, and customer and regulatory requirements through GMS |
VOCs Management and Reduction Performance
Volatile organic compounds (VOCs) emitted at LITEON primarily originate from organic solvents used in production processes, such as soldering flux and isopropanol vapors. Emissions of nitrogen oxides (NOx) and sulfur oxides (SOx) from emergency generators, testing equipment, and hot water boilers in residential areas are considered trace amounts.
To manage VOC emissions, LITEON adopts a comprehensive approach that includes management systems, process improvements, employee training, and regular third-party inspections. Since 2017, the company has strengthened outdoor air pollution controls at its sites. Emission treatment systems are designed based on plant inspection data, actual factory conditions, and local environmental regulations, and typically include two or more levels of control—such as electrostatic precipitators, UV photocatalysis, and activated carbon absorption.
Various reduction measures have been implemented across operating plants, including waste collection and treatment transformation, the use of low-VOC cleaning products, and switching to low-VOC coatings. These efforts aim to reduce emissions from the source through to final discharge treatment.
The systems are designed to achieve multiple goals: removing VOC pollutants, optimizing control, reducing resource consumption, and ensuring operational safety. VOC emissions are calculated based on third-party environmental compliance inspection reports and equipment operating hours. The results consistently fall below regional regulatory limits and continue to show a downward trend.
In 2025, total VOC emissions from LITEON’s major global manufacturing sites amounted to 12.05 tons.
Note: Emissions data cover 13 manufacturing sites located in
Changzhou, Vietnam, Tianjin, Huizhou, Dongguan, and
Guangzhou.
