The security gateway is an independently‑developed product of China Telecom Quantum. It strictly complies with Level‑2 requirements laid down by the State Cryptography Administration in GM/T 0023 Specifications for IPSec VPN Gateway Products, GM/T 0025 Specifications for SSL VPN Gateway Products and GM/T 0028 Security Technical Requirements for Cryptographic Modules. It provides full support for quantum keys, domestic cryptographic algorithms and PQC post‑quantum cryptographic algorithms.