Complete industrial automation, engineered to specification.
From PLC control cabinets to full water-treatment automation systems — designed, built, and commissioned by a 30-engineer team in Tianjin, China.
Four engineering divisions, one integrated delivery.
Software Development
SCADA, MES integration, and custom industrial software tailored to your process.
Electrical Engineering
Panel design, schematics, and low-voltage distribution to IEC standards.
Automation Control
PLC programming, motion control, and turnkey control-cabinet manufacturing.
AI & Network Engineering
Industrial networking, edge computing, and AI-assisted process optimization.
Why customers specify Donglin
Software-Hardware Synergy
- PLC/HMI/SCADA programming & commissioning
- AI-enabled edge computing (NVIDIA Jetson)
- Industrial cloud integration (OPC UA/MQTT)
Achieves 30% communication load reduction via AI optimization
End-to-End Customization
- HARDWARE IP66-rated control cabinets & modular layouts
- SOFTWARE White-label HMI interfaces & IIoT expansions
Global logistics supported by 160+ patents
Rigorous Quality Fortress
- Component aging tests (MIL-STD-883G)
- Control cabinet IP validation (IEC 60529)
- 72hr load simulation (GB/T 2423.1)
±0.01mm precision machining records
Uninterrupted Service Commitment
- Remote diagnostics & firmware updates
- On-site engineers (APAC/EU/NA)
- Air-shipped replacements ≤24hr
Shared fault code database (300+ cases)
Control systems built with genuine ABB & Schneider components.
Siemens S7-1200 PLC Control Cabinet
Custom-built control cabinets around the Siemens S7-1200 platform, wired, programmed and factory-tested to your process specification.
Request a Quote →
Siemens ET200SP / S7-1500 PLC Cabinet
Modular I/O control systems on the S7-1500 and ET200SP platform for plant-scale automation with distributed stations.
Request a Quote →
RO / EDI / MBR Water Treatment Control Panel
Control panels for RO, EDI, A2O and MBR water treatment processes, with SCADA and remote monitoring.
Request a Quote →
IIoT PLC Cloud Monitoring System
Remote monitoring of PLC-controlled plant from phone or browser, with historical data and alarm push.
Request a Quote →Engineered. Tested. Accountable.
Tianjin Donglin Zhongkong Automation Technology Co., Ltd. designs and builds industrial control systems with genuine ABB and Schneider Electric components — every cabinet factory-tested before shipment, handed over with complete drawings and documentation.
Automation for the sectors that run the world.
Tell us about your project.
Send your requirements — drawings, I/O lists, or just an idea. An engineer replies within one business day.
Chat on WhatsApp
