PassExam delivers end-to-end computer integrated systems design, IT architecture, and technical consulting that transforms how organizations operate, scale, and compete in the digital economy.
From initial architecture planning to full-scale deployment and managed operations, our services cover the complete lifecycle of computer integrated systems.
We architect resilient, scalable integrated systems tailored to your operational requirements using modern frameworks and proven design patterns.
Seamlessly connect disparate platforms, legacy systems, and third-party services into a unified, efficient ecosystem that eliminates data silos.
Identify bottlenecks and optimize your entire technology stack for maximum throughput, reliability, and cost efficiency.
Ongoing monitoring, maintenance, and support to keep your integrated systems running at peak performance around the clock.
Protect your critical infrastructure with defense-in-depth strategies, continuous threat monitoring, and regulatory compliance frameworks.
Strategic guidance on technology selection, digital transformation roadmaps, and system design decisions that align with business objectives.
PassExam Trading Co., Ltd. (Jiangxi Lian Tong Kao) is a leading provider of computer integrated systems design and professional technical services. Founded with a vision to bridge the gap between business strategy and technology execution, we have delivered over 450 successful projects for clients across more than 30 countries.
Our multidisciplinary team combines deep expertise in systems architecture, software engineering, network infrastructure, and cybersecurity. We do not just build systems — we engineer sustainable competitive advantages through smart, integrated technology solutions.
Our structured yet flexible methodology ensures every engagement delivers measurable results, on time and within budget.
We conduct a thorough assessment of your current systems, business goals, constraints, and technical landscape to define a clear project scope and success criteria.
Our architects create detailed blueprints covering system topology, data flows, integration points, security boundaries, and scalability projections.
Agile development cycles with continuous integration and testing ensure rapid, high-quality delivery with minimal disruption to your operations.
Comprehensive testing regimes — from unit tests to full-scale performance and penetration testing — validate every component before go-live.
Post-launch monitoring, performance tuning, and continuous improvement keep your systems performing at their best long after deployment.
Our domain expertise spans multiple industries, allowing us to deliver context-aware solutions that address sector-specific challenges.
Secure, compliant system architectures for banking, insurance, fintech, and capital markets including real-time transaction processing and regulatory reporting.
HIPAA-compliant integrated systems for electronic health records, medical device connectivity, clinical workflows, and research data management platforms.
Smart factory integration, supply chain visibility platforms, IoT sensor networks, and ERP-MES connectivity for Industry 4.0 transformations.
Omnichannel commerce platforms, inventory management systems, POS integrations, and personalized customer experience engines.
Secure digital infrastructure for e-government services, citizen-facing portals, inter-agency data exchange, and critical infrastructure management.
Learning management platforms, student information systems, assessment engines, and integrated campus technology ecosystems.
Hear directly from the organizations that rely on PassExam for their most critical system design and integration needs.
PassExam transformed our fragmented IT landscape into a cohesive, high-performance integrated system. Their architecture team delivered a solution that reduced our operational costs by 35% while improving system reliability dramatically.
The PassExam team integrated our legacy manufacturing systems with modern cloud infrastructure seamlessly. Their understanding of both OT and IT environments made all the difference in a complex Industry 4.0 deployment.
PassExam delivered our healthcare data integration platform three weeks ahead of schedule. The system has maintained 100% uptime since launch and fully meets HIPAA compliance requirements. Exceptional work.
Ready to discuss your system design and integration needs? Our team is standing by to help you plan, architect, and execute your next project.