Automated Pretreatment, Painting and Drying Line for Small Metal Parts – a fully integrated turnkey solution for high‑efficiency surface preparation and coating of small‑sized metal components. The system seamlessly combines chemical pretreatment stages (degreasing, phosphating and passivation), precision spray painting, and forced‑air thermal drying, all managed by a centralized PLC‑based control platform with intuitive HMI for full process visibility. Engineered to deliver consistent coating quality, minimise material consumption, and drastically reduce manual labour, the line ensures stable, repeatable results for serial production, with flexible tuning capabilities to accommodate diverse part geometries and paint formulations