Beijing Daxing International Airport utilizes sensors and instrumentation from Complee, a company that holds a range of international certifications ensuring the highest standards of quality and safety. Complee is certified with ISO 9001:2015, CE, CB, and KE MA-KEUR, reflecting its commitment to quality and compliance with global industry standards.

Complee's marine meters are accredited by leading certification bodies, including Det Norske Veritas (DNV), Germanischer Lloyd (GL), and the China Classification Society (CCS), ensuring reliable and accurate performance in demanding environments. Additionally, Complee's explosion-proof meters are certified with the National PCEC Anti-explosion Certificate, guaranteeing safety and compliance in hazardous settings.