LotTrace - Lot Tracking & Traceability Management System

A PHP application for manufacturing and quality control departments that centrally manages the registry, calibration due dates, calibration records, and usage status of measuring instruments and tooling such as calipers, micrometers, torque wrenches, thermometers, and pressure gauges.

A business app for manufacturing and processing companies that centrally manages subcontract processing requests, delivery inspections, labor cost payment schedules, and settlement statement printing in the browser, preventing missed payments and amount errors.

A web app for small and medium-sized manufacturing and service businesses that automatically allocates indirect and shared costs to departments, products, and projects based on allocation ratios. It covers monthly cost entry, allocation basis management, calculation finalization, scenario comparison, and CSV report output in a single integrated workflow.

A business app for manufacturing, e-commerce, and logistics that centrally manages packaging specifications, materials used, packaging costs, monthly requirements, spec sheet printing, and change history for each product.

A business app that centrally manages customer inquiries, complaints, and improvement requests, tracking the full improvement cycle from assigning owners to root cause analysis, countermeasures, horizontal deployment, and effectiveness verification.

A web app for manufacturing and machining businesses that manages hierarchical bills of materials for each product and rolls up purchased parts, in-house machining, and outsourcing costs into a single cost estimate. Supports a parts master, revision management, difference comparison, CSV export, and print preview.