The ISO9001 quality system is a comprehensive quality management system with full participation, comprehensive control and continuous improvement. Its core is to meet the customer's explicit or implicit quality requirements as the standard.

ISO 14001 is the International Standard for Environmental Management Systems (EMS). It was designed by the International Organisation for Standardisation (ISO) to help businesses and other organisations to reduce their environmental impact.

SOL has obtained the ISO 9001 quality management system and ISO14001 certificate approval in April 2019.