User manual
Manufacturer
Manufacturers purchase raw agricultural inputs, process them into finished or semi-finished goods, package, and issue QR codes to sell to downstream partners. Uses the aGreen Traceability web browser application.
Workflow steps
Detailed instructions
- If the manufacturer does not yet have an account, please follow the general account registration guide. If you already have an account, open a web browser and log in to the aGreen Traceability application as Manufacturer.
- Note: The Manufacturer uses the web browser application. The system can be integrated with barcode/QR scanners and electronic scales to automate the purchase, processing, and packaging workflows. You can also use a mobile web browser for on-the-go access.
Web App
aGreen Traceability login screen for the Manufacturer role Detailed instructions
Click "Scan QR" to begin purchasing. The system supports multiple camera types and scanning devices. After a successful scan, review the full lot details and confirm the purchase.
2.1Open the QR scanning feature
After logging in, the Manufacturer home screen will be displayed. Click the "Scan QR" button to start the purchase workflow.
Manufacturer home screen with the Scan QR button If your facility has multiple cameras or scanning devices integrated, select the appropriate camera in the IoT device settings.
Camera or QR scanning device selection options 2.2Scan the QR code and confirm purchase
Hold the lot QR code in front of the camera to scan. Once scanned successfully, the full lot detail screen will appear, including the complete lifecycle from seedlings, nursery, cultivation area, harvest, and processing. If the QR code is invalid (not generated by the aGreen Traceability system), an error notification will be shown. Note: You can also use a phone camera to scan the QR code and read the full lot information via the GS1 Digital Link. However, you cannot complete a purchase transaction using the phone camera alone.
Lot detail screen showing full origin information after a successful QR scan After verifying all lot information, click the 'Confirm purchase' button. The transaction will be recorded on the blockchain ledger. The lot will be credited to your raw material warehouse and the corresponding volume will be deducted from the seller's inventory.
Warehouse chart updating to reflect successful lot purchase Detailed instructions
Click "Warehouse management" in the navigation bar to see all raw material lots, stock status, and traceability information.
3.1Warehouse management
Click "Warehouse management" in the navigation bar to open the warehouse interface. Here you can see the available, in-use, and exhausted status of each raw material lot.
Manufacturer raw material warehouse management interface To view detailed information about a specific lot, click on it. The full Digital Passport will show ownership history, transaction history, GPS coordinates, and cultivation area code. This information helps you decide which raw material lot to select for the next production run.
Digital Passport of a raw material lot with full traceability information Detailed instructions
Open the "Production" tab to select input lots, record consumed volumes, describe the manufacturing process, and generate output product lots on-chain.
4.1Production and raw material blending
Open the "Production" tab in the navigation bar. Your available raw material warehouse will be displayed.
Production interface with available raw material warehouse Select the raw material lots and the volume to consume from each lot. Then click "Start production run". Note: aGreen Traceability is not a factory production line management system. Perform this step at the end of the production process, once you have complete data on the volume of each raw material lot consumed in this batch.
Select input lots and enter consumed volumes for the production batch After clicking "Start production run", describe how the raw materials were blended, enter the product name, output volume, and product type.
Describe the production process and enter output product information You can take photos to document evidence of the production and raw material blending activities.
Field photo of production activities as traceability evidence Click "Create product" to record the finished product lot on the blockchain and add it to your warehouse. Please confirm carefully since blockchain entries cannot be changed. Your raw material warehouse will automatically be debited the consumed volumes.
Confirm and create a new product lot on the blockchain Detailed instructions
Click "Finished goods" to view your finished product warehouse, review individual lot details, generate sale QR codes, and share traceability data via GS1 Digital Link.
5.1Finished goods management and sale
Click "Finished goods" in the navigation bar to open the finished product warehouse interface.
Finished goods warehouse interface showing all product lots Here you can review detailed information for each finished product lot, including status (sold, in stock), Digital Passport, and input raw material composition.
Finished product lot details, part 1: overview information 
Finished product lot details, part 2: raw material input composition 
Finished product lot details, part 3: transaction history and traceability To sell a finished product lot, click the 'QR Code' button on the corresponding lot. Fill in all required details: sale volume, product classification (consumer goods or raw material input for a derivative product), product type, and packaging specification. Optionally attach a photo of the lot. Then click 'Create QR'.
'QR Code' button on the finished goods warehouse interface 
Enter sale details, volume, and packaging specification The sale QR code has been generated, containing both traceability data (GS1 Digital Link) and transaction data. You can download or print the QR code to attach to the shipment or send to the buyer for scanning and purchase confirmation. Note: while the GS1 Digital Link in the QR remains valid long-term, the transaction session is only valid for 15 minutes. The sale is only recorded successfully when the buyer clicks "Confirm purchase" on their aGreen Traceability app or portal.
Generated sale QR code ready to download or print Detailed instructions
Anyone can use a phone camera to scan the QR code and view the complete product journey via the Digital Passport in GS1 Digital Link format.
6.1GS1 Digital Link traceability data
Below is an example of the GS1 Digital Link traceability data for a finished product lot sold from the Manufacturer. The complete journey from raw material origin to finished product is stored immutably on the blockchain and can be verified by anyone through the GS1 Digital Link in the QR code.
GS1 Digital Link interface showing full traceability data for a finished product lot
Account registration (applies to all Roles)
New users must register first (mobile app or https://trace.vnforest.org) before following the steps below.