SAKURAI earned ISO9001 certificate in September, 1999. ISO9001 is strict standards which is applied to ensure consistent quality in the provision of goods or services. A manufactuer applying for ISO 9001 certification is audited based on its sites, products, services, and processes including product development and designing.


In March 2001, SAKURAI earned ISO 14001 certificate which is related to environmental management. ISO14001 covers manufacturing activities in both Fukuoka and Hosoe plants, and it can provide assurance that environmental impact is being measured and improved.


In November 2014, SAKURAI earned JISQ9100 of quality management system for the aerospace and defense industry which is equivalent to AS9100 in USA and EN9100 in Europe. JISQ9100 of quality management system is appplied to ensure the quality in aircraft body parts manufacturing and flying object parts manufacturing.