JSA is honored by the trust and invaluable relationship from all of our suppliers and customers. We participated in numerous management, safety and environmental improvement programmes in order to best achieve the global standards.

Our quality control and assurance plan is designed to prevent defects in the manufacturing process by continuously monitoring the flow.  JSA is certified with ISO/TS 16949 in March 2008, ISO 14001:2004 in December 2009 and ISO 9001:2008 in April 2010.

IATF 16949 Re-Certified in 1 April 2018.

ISO 9001:2015 Re-Certified in 20 April 2019.