CTT certification refers to the certification system of China Post Express & Logistics. The certification system aims to evaluate and recognize the operational capabilities and service quality of postal express logistics companies to ensure that they meet international standards and industry requirements.

Through CTT certification, postal express logistics companies can provide reliable, efficient and safe logistics services, improve customer satisfaction and enhance market competitiveness.

The certification content includes operational management, service quality, security, information technology and other aspects. Through review and evaluation, it ensures that the operation of postal express logistics companies meets certain standards and requirements.