---
title: "Case Studies — Delivered Automation Projects | Donglin Controls"
description: "Industrial automation projects delivered by Donglin Controls: PLC systems, SCADA and water-treatment automation with measurable results."
canonical: https://efmc-automation.com/en/cases
language: en
---
# Case Studies

Delivered projects across water, manufacturing, energy and more — real specifications, real results.

[

![Completed cooling-water treatment workshop for an AI data center](/api/media/file/%E5%AE%8C%E5%B7%A5%E7%85%A7%E7%89%87-%E8%BD%A6%E9%97%B41-1280x960.webp)

Water Treatment

## Cooling Water Treatment

Starting with the client’s outlet-water requirements, EFMC coordinated process engineering, electrical automation, civil and piping works, data-center-side interfaces, construction and commissioning as one turnkey cooling-water treatment project.

Read case →

](/en/cases/ai-data-center-cooling-water-treatment-turnkey)[

![](/api/media/file/a_crisp_industrial_laboratory_automation_workbenc_1-1280x720.webp)

Industrial Automation

## Traceable motor testing

An automated test and data-handling system links each automotive seat motor to its scanned identity, acquires test data through PLC control, stores the complete record locally and sends the final result to the customer’s MES.

Read case →

](/en/cases/automotive-seat-motor-test-traceability)[

![AI camera directing targeted spray cooling to an occupied cow position in a dairy barn](/api/media/file/hero-ai-vision-spraying-v2-1280x720.webp)

Agriculture & Livestock

## AI Vision Spraying

We upgraded sensor-activated dairy cooling into a vision-led decision system — so the control layer can tell a cow from a person before opening the corresponding spray valve.

Read case →

](/en/cases/ai-vision-precision-spraying-dairy)[

![Sensor-activated spray-cooling retrofit in a commercial dairy barn](/api/media/file/hero-dairy-barn-1280x960.webp)

Agriculture & Livestock

## Dairy Farm Sensor-Activated Spray System

A commercial dairy needed to move beyond row-level spraying. We engineered a stall-level control system that detects cow presence and activates only the corresponding spray position.

Read case →

](/en/cases/precision-spray-cooling-dairy-retrofit)