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Campus · Wi-Fi · Data centre · Security

System Integration

Campus and branch networks, enterprise Wi-Fi, data-centre networks and security — designed, procured and delivered to your global standards, then handed to our managed services.

Projects50 seats to 10,000+Largest2,000+ APsWarranty12 months
Request a quote Specifications
Data-centre hall
Use cases

When to call us

Our project teams work in English with your HQ architects, follow your global configuration templates and naming, and deliver English documentation.

  • New offices, plants and campuses that need a network from scratch
  • Upgrades: 1G to 10G, new-generation Wi-Fi, zero trust
  • Multi-vendor estates that need one accountable integrator
  • China rollouts that must follow HQ standards and templates
Why GSS

Built to your global standard, delivered locally

One accountable integrator

Design, procurement, build and acceptance under one contract — no finger-pointing between suppliers.

Local execution

Own engineering teams in Beijing, Shanghai and Guangzhou, with certified partners in 200+ cities.

Bilingual delivery

English design documents and direct work with your HQ architects.

Continuity

Hand over straight into Managed Services, run by the same team.

Specifications

Specifications

Domains
Campus and branch, Wi-Fi 6/6E, data-centre networks, firewalls / SD-WAN / zero trust, data-room infrastructure
Vendors
Cisco, Fortinet, MikroTik and major server, storage and UPS brands; or your specified standard
Deliverables
Survey report, HLD/LLD, bill of materials, cutover plan, as-built documentation and runbooks
Scale
From 50-person offices to 10,000-person campuses; largest single project 2,000+ access points
Warranty
12 months on workmanship, with an option to move straight into managed services
Process

How delivery works

Survey

Requirements, cabling points, room conditions and existing systems.

Design

HLD/LLD, bill of materials and budget; PoC where needed.

Build & cut over

Staged installation and cutover to minimise disruption.

Handover

Acceptance tests, as-built docs and training; optional managed services.

Case studies

In production

All case studies
Network cables
Commercial real estateIFC International Finance Centre, Beijing

Multi-tenant Wi-Fi and managed wireless at IFC Beijing

Tenant-built networks interfered with each other and common areas had no coverage. Management wanted one guest and tenant Wi-Fi with real-name authentication and tenant isolation.

Enterprise Wi-FiManaged services
520Access points
11,000+Peak concurrent devices
Office lobby
Smart campusBeijing Digital Huamao

Smart campus integration at Beijing Digital Huamao

Network, security, building controls, parking and energy were seven separate systems from different contractors; tenant circuits took two to three weeks to turn up.

Campus networkIoTOperations centre
12,000+IoT points
−18%Campus energy use
Electrical panel
EnergyState-owned energy group

Unified wireless across 310 sites for an energy group

Each province ran its own Wi-Fi with different SSIDs, authentication and security policies; staff could not roam and site faults took two days or more to fix.

Enterprise Wi-FiField engineering
310Sites covered
120k+Devices
FAQ

Frequently asked questions

Didn't find your answer? Ask us

Can you work with equipment we buy ourselves?
Yes. We can provide design and implementation only, or take on procurement as well.
How do you follow our HQ standards?
Our team works in English directly with your HQ architects, applies your templates and naming conventions, and delivers English documentation.
How long does a project take?
Offices under 500 people typically take 4–8 weeks; large campuses are phased over 3–6 months.

Other services

ConnectivityAI & Supercomputing ConnectField EngineeringLocal Procurement & FulfilmentManaged ServicesAI Infrastructure
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Tell us what you need

Send us site addresses and requirements. A solutions architect will reply within one business day.

  • 1
    Reply within 1 business dayFrom a solutions architect, not a ticket queue.
  • 2
    Quote in 1–3 business daysRoute options, alternatives and per-segment costs.
  • 3
    Contract the way you preferHong Kong entity in USD, or mainland entity in RMB with VAT invoice.

Or email sales@goldsunshine.net