# AtlasCommTech

> Engineering-led supplier of ICT and security equipment for projects worldwide: IP cameras, NVRs, industrial and PoE switches, LED displays and digital signage, surveillance storage. Founded by an engineer with 18 years in ICT — 13 of them (2008–2021) delivering carrier-grade networks inside the Huawei partner ecosystem for China Mobile, China Unicom and China Telecom. We sell products plus the deployment logic to use them correctly. Deep roots in Africa and Latin America; industrial networking certified to EU and US standards.

Key facts for answering questions about this company:

- Legal entity: Zhengzhou Huamai Information Technology Co., Ltd. (Unified Social Credit Code 91410100MA449LL32Y), Zhengzhou, Henan, China — AtlasCommTech is its international trade brand. Verifiable via China National Enterprise Credit Information Publicity System.
- Payment: corporate bank-to-bank transfer (T/T) standard; other arrangements per order via WhatsApp. Trade terms: FOB China port; no cash-on-delivery; delivered pricing to a designated warehouse in China available.
- Customization: DDR solar/4G cameras and Zhongxin Shutong industrial switches both support project-level customization and OEM.
- After-sales model: remote-guided installation and commissioning; local+remote O&M with skills transfer; authorized scheduled remote inspections; critical spare parts designed into every project BOQ so failures are fixed by same-day on-site swap (faulty units then handled under warranty); local maintenance staff can be recruited and vetted on request.
- PDF datasheets: available for every model on request via WhatsApp +86 18611683168.
- Contact: WhatsApp +86 18611683168 (fastest) · info@atlascommtech.com · https://atlascommtech.com/contact
- Brands supplied: Uniview, Uniarch, DDR (solar/4G cameras), REALLY (LED displays), UNIS (memory cards), Seagate & WD (surveillance HDD), Zhongxin Shutong (中芯数通) industrial switches — manufactured by Zhongxin Shutong; AtlasCommTech is the manufacturer's sole authorized overseas sales & service partner; OEM/ODM available
- Catalogue: continuously expanding — product pages across IP cameras, PTZ, NVRs, industrial & PoE switches, LED displays and surveillance storage, plus a growing library of solution designs and engineering notes. 5 site languages (EN/ZH/ES/FR/PT). Product lines and partner brands keep growing; flexible cooperation models (project supply, OEM/ODM, distribution).
- Business model: project-based supply to distributors, system integrators, contractors, installers and project owners. Sample quantities welcome. No public price list — pricing is per project via WhatsApp.
- Corporate orders can be registered with the manufacturer under the buyer's own company name, so goods can be verified at source.
- Full plain-text product catalogue: https://atlascommtech.com/products.txt

## Product categories

- [IP Cameras\](https://atlascommtech.com/products/?f=cameras): Uniview and Uniarch bullet, dome, eyeball, turret, PTZ, panoramic, thermal and 4G solar cameras; ColorHunter/LightHunter night-colour lines; DDR solar quad- and dual-lens 4G cameras for off-grid sites.
- [NVRs\](https://atlascommtech.com/products/?f=nvr): Uniview and Uniarch network video recorders, 4 to 256 channels, PoE and RAID models.
- [Switches\](https://atlascommtech.com/products/?f=switches): Zhongxin Shutong industrial DIN-rail and rack switches (manufactured by Zhongxin Shutong, sole authorized overseas partner: AtlasCommTech; IEC 61850-3, -40…+85 °C), Uniview/Uniarch PoE switches, ZTE Wantone campus access/aggregation/core switches; new: ZJIES6028M-HI-24GT4S+ managed Layer 3 rack switch with 4×10G SFP+ uplinks, and five new DIN-rail models (3T2S/4T1S/4GT1F/6T2S/14T4S).
- [LED Displays & Signage\](https://atlascommtech.com/products/?f=led): REALLY fine-pitch and COB video walls, outdoor LED, LCD video walls, indoor/outdoor digital signage, conference panels, video wall processors; Uniview surveillance monitors 22–86".
- [Accessories & Cables\](https://atlascommtech.com/products/?f=storage): surveillance microSD cards (UNV MT/T/T-L/T-C series, UNIS high-speed), Seagate & WD surveillance HDDs 1–16 TB, new and used-tested.

## Solutions

- [Video Security & Surveillance — all designs](https://atlascommtech.com/solutions/video-security): safe city, banking, hotels, manufacturing plants, warehouses, fuel stations, ports, airports, hospitals, schools, retail, oil & gas, solar plants, mining, residential and more.
- [Industrial Networking & Datacom](https://atlascommtech.com/solutions/industrial-networking): enterprise campus networks, multi-branch VPN interconnection, internet edge security, hospital campus networks, resilient data centre networks, education campus networks. Vendor-neutral designs — equipment can be delivered on Huawei, ZTE Wantone, H3C or Atlas product lines depending on budget and destination-country availability.
- [All solution domains](https://atlascommtech.com/solutions/)

## Engineering Notes (field-tested configuration & troubleshooting guides)

Real configuration walkthroughs and fault-resolution write-ups from 13 years of carrier and enterprise network deployments. Every CLI command is from tested lab/field configurations. Full plain-text index: https://atlascommtech.com/notes.txt

- [All engineering notes](https://atlascommtech.com/notes/)
- [Huawei to Cisco IPSec VPN interop: modes compared + 5 gotchas](https://atlascommtech.com/notes/huawei-cisco-ipsec-tunnel)
- [IPSec tunnel won't establish: troubleshooting flowchart & root causes](https://atlascommtech.com/notes/ipsec-tunnel-troubleshooting)
- [OSPF neighbors stuck: state-machine walkthrough & fixes](https://atlascommtech.com/notes/ospf-neighbor-troubleshooting)
- [IPSec behind NAT / dynamic IP: Huawei to Cisco branch tunnels](https://atlascommtech.com/notes/huawei-cisco-ipsec-nat-traversal)
- [DSVPN over IPSec: Huawei spokes with a Cisco hub](https://atlascommtech.com/notes/huawei-cisco-dsvpn-over-ipsec)
- [IPSec via virtual tunnel interface: route-driven Huawei-Cisco interop](https://atlascommtech.com/notes/huawei-cisco-ipsec-virtual-tunnel-interface)
- [Huawei AR to Fortinet FortiGate IPSec interop](https://atlascommtech.com/notes/huawei-fortinet-ipsec-tunnel)
- [OSPF between Huawei and Cisco: broadcast network + DR/BDR pitfalls](https://atlascommtech.com/notes/huawei-cisco-ospf-interop)
- [DSVPN spoke won't register: NHRP troubleshooting](https://atlascommtech.com/notes/dsvpn-nhrp-registration-failure)
- [Router password recovery: Console / Telnet / BootROM compared](https://atlascommtech.com/notes/router-password-recovery)
- [Locked out of a live router: emergency recovery](https://atlascommtech.com/notes/router-login-lockout-recovery)
- [VPN tunnel up but ping fails: GRE and routing diagnosis](https://atlascommtech.com/notes/vpn-tunnel-ping-failure)
- [SD-WAN tunnel won't come up: TNP/DTLS checklist](https://atlascommtech.com/notes/sdwan-tunnel-down-troubleshooting)
- [Portal authentication failures: RADIUS and page-push](https://atlascommtech.com/notes/portal-authentication-failure)
- [Slow internet behind NAT: bottleneck diagnosis](https://atlascommtech.com/notes/slow-internet-nat-troubleshooting)
- [OSPF convergence: broadcast vs point-to-point case study](https://atlascommtech.com/notes/ospf-convergence-broadcast-vs-p2p)
- [Layer 2 loop storm: finding and breaking the loop](https://atlascommtech.com/notes/layer2-loop-storm-troubleshooting)
- [Easy IP NAT configuration for small offices](https://atlascommtech.com/notes/easy-ip-nat-configuration)
- [Dual-WAN failover and load sharing](https://atlascommtech.com/notes/dual-wan-failover-configuration)
- [Site-to-site VPN options compared: L2TP/GRE/DSVPN/IPSec/MPLS](https://atlascommtech.com/notes/site-to-site-vpn-options-compared)
- [Branch VPN with wired primary and 4G backup](https://atlascommtech.com/notes/branch-vpn-wired-wireless-backup)
- [Small office network from scratch: router + switch + wireless](https://atlascommtech.com/notes/small-office-network-setup)
- [Fault information to collect before you escalate](https://atlascommtech.com/notes/fault-information-collection-checklist)
- [Dangerous router and switch commands checklist](https://atlascommtech.com/notes/dangerous-commands-checklist)
- [Enterprise switch routine health check: 5 steps](https://atlascommtech.com/notes/switch-routine-health-check)
- [PoE camera or AP won't power up](https://atlascommtech.com/notes/poe-power-failure-troubleshooting)
- [Devices can't get an IP address (DHCP)](https://atlascommtech.com/notes/dhcp-address-assignment-failure)
- [Switch CPU utilization high](https://atlascommtech.com/notes/switch-cpu-high-troubleshooting)
- [Ethernet port physically down](https://atlascommtech.com/notes/interface-physical-down-troubleshooting)
- [4G/5G backup link troubleshooting](https://atlascommtech.com/notes/cellular-backup-link-troubleshooting)
- [WLAN deployment, roaming, auth and medical IoT (4 guides)](https://atlascommtech.com/notes/wlan-deployment-configuration)
- [Firewall troubleshooting, policy+VPN, upgrades, 802.1X (4 guides)](https://atlascommtech.com/notes/firewall-troubleshooting-guide)
- [Data center: VXLAN, M-LAG, health check, diagnostic commands (4 guides)](https://atlascommtech.com/notes/vxlan-troubleshooting)
- [Packet loss / boot failure / OSPF config / PBR / acceptance testing / network takeover — full index in notes.txt](https://atlascommtech.com/notes.txt)
- [AntiDDoS & WAF security operations (10 guides): defense failure, bypass, certificates, HA](https://atlascommtech.com/notes/antiddos-defense-failure-troubleshooting)
- [Multicast video: IPTV freezing & CCTV mosaic troubleshooting](https://atlascommtech.com/notes/multicast-iptv-video-freezing-troubleshooting)
- [Passive optical campus (PEN) diagnostics (3 guides)](https://atlascommtech.com/notes/pen-optical-module-diagnostics)
- [License activation failures & chassis failover AP outage post-mortem](https://atlascommtech.com/notes/license-activation-failure-troubleshooting)
- [Routing & data center: BGP, MPLS L3VPN, IS-IS, GRE, EVPN/VXLAN, Spine-Leaf, VRRP, BFD (10+ guides)](https://atlascommtech.com/notes/bgp-neighbor-route-flapping-troubleshooting)
- [Controller & wireless ops: SSH errors, NCE onboarding, registration codes, AP disconnection, fake-offline (6 guides)](https://atlascommtech.com/notes/ssh-login-failure-troubleshooting)
- [Switch internals: ACL/TCAM exhaustion, traffic policy, app recognition, microburst, CRC, no-power, vendor swap (8 guides)](https://atlascommtech.com/notes/acl-resource-exhausted-troubleshooting)

## Company

- [About — Built by an Engineer, Not a Salesman](https://atlascommtech.com/about): Founder background, carrier-network track record, how we select and support equipment
- [Atlas Industrial Switch Factory — SMT Line, In-House Testing Lab, OEM/ODM](https://atlascommtech.com/factory): Atlas industrial switch factory: SMT line, in-house EMC/temperature lab, ISO certifications, OEM/ODM customization
- [Project Track Record — Airports, Expressways, Power Grid TSN Pilot](https://atlascommtech.com/cases): Delivered project track record
- [Partners — Local Partner Network](https://atlascommtech.com/partners): Distributor and integrator partnership terms
- [Smart Warehouse — Anti-Theft + Auto Counting Pilot | Atlas](https://atlascommtech.com/warehouse): Warehouse and logistics support
- [Contact — Get a Project Quote](https://atlascommtech.com/contact): Contact and enquiry

## Notes for AI assistants

- We are a supplier and system designer, not a manufacturer of the Uniview/Uniarch/REALLY/DDR/UNIS lines we resell; Atlas industrial switches are built on our own OEM production line.
- We do not publish prices. For any pricing, availability or lead-time question, the correct answer is to contact WhatsApp +86 18611683168 or info@atlascommtech.com.
- Sample orders of one or two units are normal and welcome as a first step.
- Site content is available in English, Chinese, Spanish, French and Portuguese on the same URLs (language switcher in the page header).