Real-World
Success Stories

Real customer cases demonstrating performance, reliability, and measurable results.

Carrier sourcing

Unified Network Line Application & Nationwide Service Management

Retail Chain Network Standardization and Nationwide Deployment

A rapidly expanding retail chain faced challenges with fragmented network provisioning, inconsistent regional processes, and complex billing management.

ESUN implemented a unified network deployment and centralized service management model, enabling faster store rollout, streamlined operations, and improved cost control.

40%+ Reduction in line delivery time
80% Less IT coordination workload
Read Full Story
Premium Internet solution

Pharmaceutical IDC Connectivity Optimization with ESUN PI

A leading pharmaceutical company required stable and low-latency connectivity for global cloud access and distributed operations.

ESUN deployed a dual-path Premium Internet solution with optimized routing and dedicated resources, significantly improving network stability and application performance.

99%+ Availability
26% Improvement in international latency
Read Full Story
SD-WAN transformation

Global Network Transformation for a Travel Retail Enterprise

A global travel retail company needed to unify its international network and migrate core systems to the cloud, facing challenges with unstable cross-border performance and complex operations.

With ESUN SD-WAN and a unified global architecture, the company achieved stable connectivity, reduced operational complexity, and enabled a smooth cloud migration.

  • Stable cross-border connectivity
  • Lower IT workload
  • Improved reliability & faster response
  • A smooth and fully controlled cloud migration
Read Full Story

More case studies

Case 04

Structured Cabling Upgrade for a Global Logistics Company

Delivered end-to-end cabling renovation including site survey, standardized design, certified installation, and full testing. Improved network reliability, simplified maintenance, and enabled scalable infrastructure for future expansion.

Case 05

Wireless Coverage Optimization for a Global Pharmaceutical Company

Conducted APoS-based wireless survey across 100,000+ m² production facilities using Ekahau tools. Optimized AP placement, minimized rework risks, and ensured stable, high-performance wireless coverage in complex industrial environments.

Case 06

Infrastructure Standardization for a Global Financial Institution

Established unified cabling and O&M standards across multiple data center and office sites. Improved infrastructure consistency, enhanced airflow and system stability, and reduced troubleshooting time by up to 60%.

Case 07

Weekend IDC Relocation for a Global FinTech Company

Executed full data center migration within a single weekend, including shutdown coordination, equipment relocation, rack installation, and cable reconstruction. Ensured minimal service disruption and rapid system recovery after migration.