Huawei, Firewall, models:

E8000E-X16	Manual
NIP6830	Quick Start Manual
Quidway Eudemon 200	Installation Manual Quick Start Manual
USG6000 Series	Hardware Manual
USG6000E Series	Hardware Manual
USG6305	Quick Start-Up
USG6306	Quick Start
USG6310	Quick Start
USG9500 Series	Hardware Manual
V200R001C01	Troubleshooting Manual
V300R001	Parts Replacement