automation · 2025

QR-Based Digital Mailroom & Asset Dispatch

An automated physical-to-digital dispatch and tracking platform utilizing scannable QR tokens to eliminate paper logbooks and track document transit across corporate offices.

RoleDigitalization & Automation Engineer

OrganizationPetroChina International Jabung Ltd.

PetroChina QR digital mailroom tracking interface — Project artifactPublic-safe view from the project archive.

-70%Routing Time Reduction

-60%Manual Entry Eliminated

01 · Context

The operating environment

Physical mail, contracts, and internal packages moved between corporate headquarters and field offices without real-time custody tracking.

02 · Problem

The human friction

Administrative teams spent hours daily manually recording physical document numbers and tracking missing mail across departments.

03 · System

What I built

Created a barcode/QR scanning workflow with real-time web dispatch tracking, instant notifications, and automated status logging, reducing manual entry time by 60%.

RFID hardware reader integration prototype

04 · Stack

Technology used

PythonQR Barcode SystemsAutomation PipelinesPostgreSQLTailwind CSS

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