CHANGHORN CHANGHORN

Custom OEM I/O Module Manufacturer & Exporter

Providing custom industrial distributed architectures, fieldbus systems, and high-performance communication couplers to power global smart factories.

Empowering Smart Industry with Hongyunlai Technology

Based in the high-tech hub of Xiamen, Fujian Province, Hongyunlai Technology Co., Ltd. specializes in the global distribution and manufacturing coordination of industrial automation components. Our core focus centers on providing reliable, high-performance distributed I/O systems and industrial fieldbus components designed for demanding environments.

We deliver complete, one-stop procurement solutions for system integrators, manufacturing facilities, and industrial maintenance companies worldwide. By working with top-tier international brands alongside our custom OEM production pipelines, we ensure that your factory systems run with minimal downtime and maximum efficiency.

100%
Pre-Shipment Tested
24/7
Engineering Support
50+
Supported Protocols
10k+
Active SKUs

Comprehensive Component Portfolio

We maintain deep inventories and flexible sourcing pipelines across multiple critical automation categories:

  • PLC Controllers & Expansion Modules
  • Servo Drives, Electric Motors, & Variable Frequency Inverters
  • Distributed Remote I/O Gateways (EtherCAT, Profinet, EtherNet/IP)
  • Industrial Sensors (Fork, Proximity, Laser, Weighing Modules)
  • High-Voltage Vacuum Contactors & Power Regulation Boards
  • Solenoid Valves, Manifolds, & Pneumatic Actuators

Industrial Solutions Across Global Sectors

Custom OEM I/O modules act as the central nervous system for complex production architectures. Here is how our modules scale across diverse industrial fields.

Automotive Production & Robotics

Fast-cycle assembly lines demand high-speed, deterministic data processing. Our IP67-rated I/O modules are mounted directly on robotic arms, cutting cable runs and facilitating direct Profinet or EtherCAT communication with main controllers.

Energy & Smart Power Grids

Integrating high-voltage systems requires extreme electromagnetic compatibility (EMC). Our I/O setups utilize advanced galvanic isolation, safeguarding delicate microprocessors from power surges in vacuum contactors and power-board switchgear.

Logistics & Warehouse Sorting

Modern distribution centers handle millions of items daily. High-resolution fork sensors paired with fast digital input I/O modules enable real-time tracking, sorting, and feedback loops to drive speed and accuracy on the floor.

The Evolution of Industrial Distributed I/O

Historically, central PLCs handled all automation inputs and outputs via bulky, point-to-point wiring harnesses. Modern architectures are moving toward decentralized structures. By deploying remote I/O modules directly at the field level, manufacturers save up to 70% on wiring expenses and simplify diagnostic troubleshooting.

Driven by the expansion of Industry 4.0, edge computing, and real-time data capture, the need for intelligent, protocol-agnostic, and custom-engineered I/O modules has grown. These modular blocks serve as the vital link translating analog field values into structured Ethernet packets ready for cloud systems and SCADA networks.

Analyzing the Global Industrial Electronics Market

Today's industrial sector operates on thin margins, and supply chain disruptions can lead to costly downtime. Manufacturers are seeking agile OEM/ODM partners capable of delivering customized, drop-in replacement solutions for legacy I/O networks.

At Hongyunlai Technology, we address this demand through our Xiamen logistics center. We maintain a reliable supply network, offering both hard-to-find legacy components and modern, modular solutions. Our quick turnaround times help customers keep their assembly lines moving, regardless of market challenges.

Rigorous Compliance & Global Certifications

Industrial environments present challenging conditions, from voltage fluctuations and EMI noise to chemical cleanings. Our modules are built and certified to operate reliably under pressure.

CE & RoHS

Verified compliant with EU safety, health, and environmental protection guidelines, including lead-free criteria.

UL / cUL Ready

Component-level design compliant with North American flame retardant, insulation, and high-voltage isolation standards.

EMC Class A

Designed with heavy shielding to prevent electromagnetic interference in high-power factory environments.

IP67 Protection

Fully potted enclosures that resist dust, humidity, and direct liquid sprays, ideal for machine-mount deployments.

Specialized Field Application Scenarios

Our hardware solutions are designed for specific, demanding roles in the field, helping engineers address unique automation challenges.

Precision Analog Weighing

Integrating high-speed load cells with systems like the SIWAREX WP231 weighing module allows food, chemical, and packaging companies to automate batching systems with resolution down to the milligram.

Harsh Environment Pneumatics

In chemical and washdown environments, our specialized valve manifolds (such as the VUVG and VUWG systems) operate inside IP65/67 cabinets, reliably driving pneumatic actuators in corrosive atmospheres.

Dynamic Speed Regulation

By pairing communication modules with frequency inverters (such as the E82ZAFCC201), engineers can integrate variable frequency drives directly into real-time fieldbus networks for precise motor control.

Technical Roadmap & Future Outlook

The field of industrial communication is constantly evolving. Here is how we are adapting our custom OEM designs to meet future automation requirements.

Phase 1: Multi-Protocol Modular Architecture

Developing unified baseboards with swap-out daughterboards, allowing customers to switch between EtherCAT, Profinet, and EtherNet/IP without redesigning their mechanical layout.

Phase 2: IO-Link Wireless Integration

Integrating wireless IO-Link master modules to connect sensors on rotating machinery, AGVs, and index tables without using failure-prone slip rings.

Phase 3: TSN (Time-Sensitive Networking) Support

Upgrading physical Ethernet interfaces to support IEEE 802.1 TSN protocols, ensuring deterministic, microsecond-level synchronization across standard IT/OT networks.

Phase 4: AI Edge Diagnostics

Embedding light machine-learning algorithms on the microprocessor to analyze current anomalies, helping maintenance teams detect sensor drift and valve wear before failures occur.

Frequently Asked Questions

Find answers to common questions about our custom OEM capabilities, protocol support, and logistics operations.

1. What custom OEM options do you offer for I/O modules?
We provide full custom design and manufacturing coordination. This includes custom form factors, specialized channel counts (such as high-density 16/32-point modules), selectable input/output configurations (NPN, PNP, Analog, RTD, Thermocouple), customized connector interfaces (M12, M8, RJ45, push-in spring terminals), and branded housings.
2. Which industrial protocols do your distributed I/O systems support?
Our modules support key industrial communication standards, including EtherCAT, PROFINET, EtherNet/IP, Modbus TCP/RTU, CANopen, DeviceNet, and CC-Link. We also offer multi-protocol hardware options that can change operations through simple firmware updates.
3. How does Hongyunlai Technology verify the quality of shipped components?
We operate under a strict quality control program in our Xiamen facility. Every component—whether an OEM module, a Festo valve, or a Lenze communication card—undergoes visual checkouts, electrical continuity checks, power-on testing, and communications verification before packaging and shipping.
4. Can you help source hard-to-find or legacy PLC and drive modules?
Yes. We leverage a global network of verified suppliers and logistics partners to locate out-of-production, legacy, and highly specialized automation components. We help keep older production lines running without requiring complete system retrofits.
5. What is the typical lead time for custom OEM module projects?
Standard OEM adaptation projects typically take 4 to 6 weeks for prototyping and validation, followed by 6 to 8 weeks for production run assembly, depending on component availability. For standard catalog items, we ship immediately from our warehouse.