One Item One Code Label Traceability System: 5-Layer Architecture + 7 Modules + Implementation Process

Last week, a client in the brand protection business asked me: "I want to implement one-product-one-code traceability, but I don't know where to start."

I said: "5-layer architecture + 7 modules + 5-step implementation—let me draw a diagram for you."

He said, "5-layer architecture?"

I said: "Code / Printing / Warehouse / Consumer / Data—each of the 5 layers has its own role. This article will not discuss "what is one-product-one-code"—instead, it covers the 5-layer architecture + 7 modules + 5-step implementation + 3 cost categories."

5-Layer Architecture

Layer 1: Code Layer (GS1 Encoding + Encryption)

3 Core Functions:

GS1 Global Standard
├─ Company Prefix (GS1 Company Prefix)
├─ Item Reference (Item Reference)
├─ Serial Number (Serial Number)
└─ Check Digit (Check Digit)

3 Encoding Types:

• EAN-13 + Serial Number (most common)
• 2D Code (GS1 DataMatrix)
• RFID (high-end scenarios)

Layer 2: Printing Layer (Variable Data)

3 Core Functions:

Variable Data Printing
├─ Digital Printing (under 1,000 sheets)
├─ Flexo Printing (50,000+ sheets)
└─ Inkjet Coding (production line integration)

3 Printing Technologies:

• Unique per sheet (non-repeatable)
• Traceable (database-linked)
• Verifiable (consumer scan)

Layer 3: Warehouse Layer (Inbound/Outbound Scanning)

3 Core Functions:

Warehouse Scanning
├─ Inbound Scanning (scan to shelf)
├─ Outbound Scanning (scan to ship)
└─ Inventory Linkage (real-time stock)

3 Scenarios:

• Production inbound
• Wholesale outbound
• Retail scanning

Layer 4: Consumer Layer (Scan to Verify Authenticity)

3 Core Functions:

Consumer H5
├─ Scan (H5 loading)
├─ Authenticity Check (cloud query)
└─ Interactive Marketing (red packets / coupons)

3 Experiences:

• 1-second scan + instant result
• Authenticity check + anti-counterfeit feedback
• Scan for red packets + repeat purchase

Layer 5: Data Layer (Data Analytics)

3 Core Functions:

Data Analytics
├─ Scan Data (region / time / user)
├─ Marketing Data (campaign conversion)
└─ Decision Data (product iteration)

3 Report Types:

• Anti-counterfeit report (authenticity rate)
• Marketing report (campaign ROI)
• Decision report (product / channel)

7 Module Details

Module 1: Code Generation

3 sub-modules:

• GS1 Application (Manufacturer Code)
• Code Generation Algorithm (Encryption)
• Code Library Management (Database)

Module 2: Printing Management

3 sub-modules:

• Print Job Generation
• Print Execution Tracking
• Print Quality Inspection

Module 3: Warehouse Scanning

3 sub-modules:

• Inbound Scanning
• Outbound Scanning
• Inventory Counting

Module 4: Consumer H5

3 sub-modules:

• Scan Entry (H5 / Mini Program)
• Anti-Counterfeiting Query
• Marketing Campaign

Module 5: Anti-Counterfeiting Query

3 sub-modules:

• Cloud Query API
• Anti-Counterfeiting Result Display
• Counterfeit Alert

Module 6: Marketing Campaign

3 sub-modules:

• Red Packet / Coupon Distribution
• Points / Membership
• Referral Reward

Module 7: Data Analysis

3 sub-modules:

• Anti-Counterfeiting Analysis
• Marketing Analysis
• Decision Analysis

5-Step Implementation Process

Step 1: Choose a Solution

3 Options:

• SAAS Template (10,000-20,000 CNY/year)
• Custom Development (100,000-500,000 CNY)
• In-house System (1,000,000-5,000,000 CNY)

Step 2: Apply for GS1

3-Step Application:

• Register on the GS1 China official website
• Pay membership fee (3,000 CNY/year)
• Obtain the manufacturer code

Step 3: System Integration

3 Integrations:

• Code generation system + ERP
• Printing system + printing plant
• Consumer H5 + mini-program

Step 4: Printing & Labeling

3-Step Production:

• Prepress files + code database integration
• Digital/flexo printing + die-cutting
• Labeling machine application

Step 5: Market Launch

3-Step Promotion:

• Consumer education (scan to get red envelope)
• Channel promotion (distributors + e-commerce)
• Data monitoring (scan rate + ROI)

3 Cost Categories

Cost 1: GS1 Membership Fee

3 Scale Tiers:

• Small: 3,000 CNY/year
• Medium: 10,000 CNY/year
• Large: 30,000 CNY/year

Cost 2: System Development

3 Plan Tiers:

• SAAS Template: 10,000-20,000 CNY/year
• Custom Development: 100,000-500,000 CNY
• Self-built System: 1,000,000-5,000,000 CNY

Cost 3: Printing + Labeling

3 Volume Tiers:

• 1,000 labels: 1 CNY per label
• 10,000 labels: 0.3 CNY per label
• 100,000 labels: 0.2 CNY per label

To explore variable data printing—refer to how variable data labels are produced?, or directly contact a LeXiang Packaging consultant, you will receive a traceability system solution + quotation within 24 hours.