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Digital ID - China Medical Device UDI Compliance Suite
One Code Across the Entire Medical Device Lifecycle
From coding and submission to traceability — a one-stop solution meeting all NMPA compliance requirements, giving every medical device a trusted digital identity
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Automated DI Code Compliance Validation | NMPA Database API with Sub-second Direct Connection | End-to-End Traceability from Production to Clinical Use | GS1-Aligned Standards for Global Market Access

Regulatory Background & Time Urgency

According to Announcement No. 21 (2026) jointly issued by the National Medical Products Administration (NMPA), the National Health Commission, and the National Healthcare Security Administration, the implementation of UDI for medical devices has entered a full coverage phase:

 

Implementation Batch

Scope

Effective Date

Batch 1 ~ Batch 3

All Class III medical devices (including IVD) + 103 types of Class II medical devices

Already in effect

Subsequent categories (Announcement No. 21)

All Class II medical devices (including IVD) + all Class I in vitro diagnostic reagents June 1, 2027

Subsequent categories (Announcement No. 21)

All Class I medical devices

June 1, 2029

 

 

For all Class II medical devices and all Class I in vitro diagnostic reagents produced on or after June 1, 2027, registrants and filing holders must upload product identifiers and related data to the UDI Database before market release, ensuring data is authentic, accurate, complete, and traceable.

Technical Architecture: Four-Layer Compliance Engine

 

1. Coding & Labeling Layer — Compliance Starts at the Source

 

Technical Module

Core Capability

Industrial-Grade Metrics

DI Coding Engine

Auto-generates GTIN codes with built-in compliance validation

Compliant with YY/T 1630-2018 standard

Multi-Carrier Coding

GS1 DataMatrix / QR / RFID multi-format support Adapted to various sterilization methods and shelf-life requirements

Label Design System

Drag-and-drop design, auto-matches UDI label specifications

Direct output to automatic label printers

Multi-Level Packaging Aggregation

Unit pack → intermediate pack → outer carton hierarchy

One-time coding with full-layer data integration

 

Key Advantages:

· Native GS1 Standard Support: Nearly 94% of Chinese medical device manufacturers choose GS1 barcodes as their UDI standard. The Linkwin suite is built on GS1 standards, ensuring international coding compatibility.

· Automated DI Coding: Built-in compliance validation ensures codes meet NMPA requirements, eliminating manual coding errors that lead to submission rejection.

· Extreme Environment Adaptation: Provides specialized label material solutions for various sterilization methods (autoclaving, ethylene oxide, irradiation, etc.) and usage environments.

 

2. Data Submission Layer — Seamless NMPA Database Integration

 

Technical Module

Core Capability

Technical Standard

Direct API Engine

Integrates with NMPA UDI Management Information System

RESTful API / JSON format

Batch Data Management

Supports automated submission of large-volume product identifier data

Processes 100,000+ records daily

Data Synchronization Mechanism

Real-time/scheduled sync with the latest national UDID classification catalog and coding rules Keeps local system aligned with the national platform

Medical Insurance Code Linkage

Synchronously maintains medical insurance consumable classification and code fields

Ensures data consistency between UDI Database and medical insurance database

 

Technical Highlights:

· Developed using RESTful API technology, submitting requests via HTTPS POST with JSON string parameters — fully aligned with national UDI Management Information System standards.

· Supports enterprise system integration with the NMPA database via API, enabling data submission, maintenance, and shared query functionality.

· Establishes a regular data synchronization mechanism to download the latest product classification catalog, coding rules, and regulatory policies from the national UDID in real-time or on schedule, keeping the local UDI application system synchronized with national UDID updates.

 

3. Traceability Application Layer — Full Lifecycle Closed Loop

 

Application Scenario

Technical Solution

Customer Value

Production

Inline coding + AI vision inspection

99.99% coding accuracy, eliminating missing or incorrect codes

Warehousing & Logistics

RFID/barcode-based inbound/outbound processing 3x improvement in inventory management efficiency

Distribution

Barcode-tracked inbound/outbound for distributors

Achieves traceability throughout the distribution chain

Clinical Use

Full-process barcode recording by medical institutions

Supports adverse event reporting and precise recall

Patient Traceability

Scan-to-view full chain information

Protects patient's right to be informed

 

Key Capabilities:

· Precision Product Recall: Rapidly locate affected batch distribution via UDI, narrowing recall scope to specific batches or even individual units.

· Adverse Event Monitoring: UDI links production, distribution, and usage data across the entire chain, providing a complete evidence chain for adverse event analysis.

· Near-Expiry Alert: Automatically triggers near-expiry warnings, certificate expiration alerts, and non-conforming product recall notifications for medical devices.

 

4. Global Collaboration Layer — One System, Multi-Country Compliance

 

Target Market

Compliance Requirement

Linkwin Support

China

NMPA UDI

DI coding + database submission + full-chain traceability

United States

FDA GUDID Shared master data with auto-converted submission format

European Union

EU MDR/IVDR

Basic UDI-DI + UDI-PI, EUDAMED integration

Global

GS1Standards

Unified coding system supporting cross-border traceability

 

Key Advantages:

· Built on the GS1 standard,framework, UDI codes simultaneously meet regulatory requirements in China (NMPA), the United States (FDA), and the European Union (MDR) and other jurisdictions

· Helps enterprises meet domestic and international medical device compliance requirements, effectively addressing technical trade barriers in Europe and America, proactively aligning with international standards, and reducing export risks.

Industry Case Study
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UDI Compliance Implementation at a Large Medical Device Manufacturer
Challenges
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Product lines cover Class III / Class II / Class I, with 2,000+ SKUs requiring coding
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Existing ERP/WMS systems cannot support UDI data flow
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Must meet both NMPA and FDA requirements at the same time
Solution
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Deployed Linkwin UDI Compliance Suite
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DI Coding Engine auto-generates and validates GTIN codes
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Direct API connection to NMPA database for batch submission
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One set of master data output in FDA GUDID format
Results
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Completed UDI compliance for all products within 3 months
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Seamless ERP/WMS system integration
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Achieved dual-market compliance for China and the US simultaneously
Value Statement

What we deliver is not just a compliance suite — it is the 'digital identity card' system for medical devices. From every bit of the DI code to every scan in clinical use, we build a trusted traceability chain covering the entire lifecycle, turning compliance into a foundational capability for enterprises competing globally