Introduction: When Trust Becomes a Scarce Currency
In cross-border trade of food and health products, information asymmetry is the biggest source of risk. Multiple trust gaps exist between consumers, regulatory agencies, retailers, and brands. The ultimate mission of a traceability system is to build an immutable, fully connected, and instantly verifiable digital trust chain, transforming the supply chain from a “black box” into a “transparent glass tube,” fundamentally mitigating cross-border risks.
Part One: Challenges and Value of Cross-Border Traceability
- Why Does Traditional Traceability Fail in Cross-Border Scenarios?
Information Silos: Production, logistics, customs clearance, and sales data are scattered across different countries and systems of different entities, with inconsistent formats, making them impossible to connect.
High Verification Costs: Regulatory agencies in importing countries find it difficult to verify the authenticity of paper certificates provided by exporting countries.
Slow Response Speed: Once a problem occurs (such as allergen contamination), cross-border investigations take weeks, making it impossible to quickly isolate risks.
Fraud Vulnerabilities: Paper documents are easily forged, and supply chain fraud such as “origin laundering” and “passing off inferior goods as superior ones” persists despite repeated crackdowns.
- Four Core Values of Trustworthy Traceability
Risk Control: Quickly locate problematic batches, accurately recall them, and minimize impact and losses.
Compliance Efficiency: Provide regulatory agencies with immediate and reliable data access, accelerating customs clearance and market access.
Brand Enhancement: Build trust in high-end brands with a transparent supply chain story, supporting premium pricing.
Business Insights: Master product flow and end-user sales to optimize production and inventory.
Part Two: Building a Four-Level Traceability System Framework
A complete cross-border traceability system needs to cover four logical levels, from physical entities to digital credit.
Level One: Identification Layer – Assigning a “Digital ID Card” to Each Entity
Globally Uniform Coding (GS1 Standard as the Core):
GTIN: Identifies a trade item (e.g., a box of products).
Batch Number/Serial Number: Identifies a unique production batch or smallest sales unit.
SSCC: Identifies a logistics unit (e.g., a pallet).
GLN: Identifies physical locations (e.g., farms, factories, warehouses).
Identification Media Options:
1D/2D Codes: Low cost, suitable for box-level and single-item-level identification.
RFID/NFC Tags: No visual scanning required, batch reading possible, suitable for high-value goods or pallets.
DNA/Isotope Tagging: Used for anti-counterfeiting and traceability of top-grade rare raw materials (e.g., saffron, wild ginseng).
Level Two: Data Acquisition Layer – Panoramic Recording of Key Events
At each node of the supply chain, the following key event data is automatically collected and correlated:
Node | Key Traceability Data | Acquisition Technology
Source (Farm/Raw Material) | Origin Coordinates, Planting/Raising Logs, Harvesting Time, Pesticide Residue Test Reports, Supplier Information | IoT Sensors, Mobile Devices, Blockchain Evidence
Production | Feed Batch, Production Line Number, Operator, Production Time, Key Process Parameters, Laboratory Certificate of Analysis (COA) | Automatic Integration with MES and LIMS Systems
Packaging and Warehousing | Packaging Association (Binding Raw Material Batch Numbers with Finished Product Batch Numbers), Warehouse Location, Inventory Status, Temperature and Humidity Environmental Data | WMS System, Environmental Monitoring Sensors
Cross-border Logistics | Carrier, Vehicle, Container Number, Departure/Arrival Time, Entire Temperature and Humidity Track, Customs Declaration Number, Inspection Status | IoT Sensors, GPS, Customs Platform API
Distribution and Retail | Distributor Information, Receiving Time, Retail Store, Shelf Time Barcode Scanners, POS Systems
Level 3: Data Integration and Sharing Layer – Breaking Down Information Silos
Core: Establishing a Supply Chain Master Data Management Platform
Unified Data Standards: Mandating all partners to use a unified data format (e.g., based on the GS1 EPCIS event standard) for data exchange.
Centralized API Integration: Connecting heterogeneous systems of suppliers, factories, logistics providers, customs, and laboratories through secure API interfaces to achieve automatic synchronization of event data.
Key Technology Selection:
Blockchain/Distributed Ledger Technology: Used to store key regulatory evidence (e.g., test reports, organic certificates, certificates of origin). Its immutable and shareable characteristics perfectly solve cross-border trust issues.
Public vs. Consortium Blockchain Selection: For industry collaboration, consortium blockchains (e.g., IBM Food Trust) are used; for consumer-facing traceability, public blockchains can be used for evidence storage.
Cloud Platform: Serving as a storage and computing center for massive dynamic data (e.g., temperature flow, location flow).
Level Four: Query and Verification Layer – Service Interface for Diverse Users
Providing differentiated entry points for different roles:
Consumer End: Scan with WeChat/APP to view a concise traceability story (origin profile, production video, logistics trajectory, test report).
Regulatory End: Granting encrypted APIs or dedicated backends to customs and market supervision departments, enabling one-click retrieval of full-chain compliance data by batch, achieving “remote intelligent inspection”.
Business Partner End: Suppliers and distributors can log in to the portal to view the status and quality documents related to their goods.
Internal to Enterprise: Quality risk control departments have a panoramic view, enabling simulated recalls and impact analysis.
Part Three: Key Application Scenarios for Reducing Cross-Border Risks
Scenario One: Accelerating Compliance Clearance and Market Access
Practice: Storing the hash values of key compliance documents such as product registration numbers, sanitary certificates, certificates of origin, and test reports on the blockchain.
Value: Customs in the importing country can verify the authenticity and validity of documents with one click, reducing clearance time from several days to several hours, while eliminating the risk of forged documents.
Scenario 2: Handling Overseas Official Audits and Inspections
Practice: When the FDA, EU officials, etc., conduct unannounced inspections, the system allows direct tracing of the complete data package (BOM, production records, inspection data, shipping records) for any batch of products.
Value: Demonstrates an excellent quality management system, significantly improving audit pass rates and trustworthiness.
Scenario 3: Precise and Efficient Proactive Recalls
Practice: Upon discovering a potential problem in a batch of raw materials, the system can identify all affected countries, warehouses, retailers, and consumer orders within one minute.
Value: Achieves precise recalls (rather than blind large-batch recalls), reducing unnecessary losses by over 90% and showcasing a responsible corporate image.
Scenario 4: Combating Supply Chain Fraud and Counterfeiting
Practice: When consumers scan the code to verify product authenticity, the system checks the “first query time” and “geographical location” of the serial number. If the code has been queried multiple times or the geographical location is abnormal, an immediate alert is issued.
Value: Effectively curbs the industry-wide problem of “recycling genuine packaging to refill counterfeit goods,” protecting brands and consumers.
Part Four: Implementation Roadmap and Strategy
Phase One: Internal Integration – Strengthening Internal Traceability (1-3 months)
Unify Internal Coding: Implement GS1 standard coding on all products, materials, and storage locations.
Integrate Internal Systems: Achieve automatic data flow between ERP, MES, and WMS systems, ensuring full traceability from material input to outbound shipment.
Pilot a Product Line: Select a core product and complete full digital traceability from internal production to domestic distribution.
Phase Two: External Collaboration – Connecting with Key Partners (4-9 months)
Require Key Raw Material Suppliers: Provide standardized electronic batch data (e.g., electronic COAs with digital signatures).
Connect with Logistics Providers: Obtain standardized transportation tracks and temperature and humidity data streams.
Deploy Blockchain Nodes: Upload key evidence (test reports, certificates) to the blockchain and demonstrate to the first overseas regulatory agency.
Phase Three: Networking – Building an Ecosystem Trust Chain (10-18 months)
Expand to all suppliers and channels.
Join industry blockchain alliances (such as the China Food Industry Blockchain Traceability Alliance) to enhance the credibility of the system.
Develop consumer-facing query applications and conduct marketing campaigns to transform traceability into a market competitive advantage.
Phase Four: Intelligentization – From Traceability to Prediction (Continuous)
Utilize historical traceability data to train AI models and predict quality risks (such as raw material contamination risks in a specific region during a particular season).
Combine traceability data with carbon footprint calculations to provide a product’s entire lifecycle sustainability report.
Conclusion: The Trust Chain is the Value Chain
In the uncertain cross-border trade environment, transparency is the new hard currency, and credible data is the most efficient passport. Building a traceability system from source to end is not merely a passive compliance to meet regulations, but a proactive strategic investment.
Through technology-enabled trust, it significantly reduces physical risks (such as cargo damage), compliance risks (such as customs clearance delays), and commercial risks (such as damage to brand reputation). Ultimately, this global “trust chain” will become the brand’s strongest moat, the cornerstone for winning the long-term trust of global consumers, regulators, and partners. In this sense, investing in the chain of trust is directly building the company’s future value chain.