Xiamen SAN-U Optronics Co., Ltd. strictly implements the quality policy of "continuous technological innovation, ensuring excellent quality, and achieving customer trust". In terms of product quality, it strictly implements the industry standards issued by the country and the internationally recognized Bellcore standards, ensuring to provide customers with high-quality, reliable, and cost-effective optical and electrical components series products;

In October 2002, passed the ISO9000:2000 quality management system certification;

In 2005, the Transceiver series products passed CE certification;

In 2006, products such as PIN, PIN-TIA, OSA, and Transceiver passed RoHS certification;

In October 2010，Successfully passed the certification review of the ISO9001:2008 quality management system ;

In November 2012, SGS successfully passed the certification review of the ISO9001:2008 quality management system.

In October 2022，Successfully passed the certification review of the TATF 16949:2016 quality management system ;