Li Auto — 5-Plant Paint Shop SCADA

Beijing, Changzhou (CZ01/CZ02) — 5 paint lines in total. 60–80 S7-1500 PLCs per shop, millions of I/O points, fully optimized blocks. Full process coverage: pretreatment → e-coat → drying → painting → curing. Joint delivery with Duerr China. Ignition platform, second-level full polling, high-availability redundancy. Self-developed S7Plus-Driver is the only viable large-scale solution for paint shop connectivity.

Application Architecture

JAC Motors — Xingang Phase II Welding Shop CCR

Welding Shop

JAC Xingang Phase II welding shop CCR production management monitoring system. Built on Huishuo’s self-developed plant-level MES standard, fully web-based. Core functions include line data acquisition, equipment monitoring & alarm, product tracking & positioning, and process data binding. Supports all equipment types: robots, spot welding, stud welding, FDS, SPR, hemming, vision. Protocol integration covers Atlas OpenProtocol, Bosch Welding, Hongba stud welding, and more. Scalable to 1M+ data points.

Chery Auto — Wuhu CP2 Paint Shop Digitalization

Chery Paint Shop

Chery Wuhu CP2 paint shop, joint delivery with Duerr. SCADA system based on DXQ design. Digital center includes production cockpit, quality cockpit, energy cockpit, and environmental cockpit. Digital twin features Unity 3D development and VR training system. Mobile device management via imgenius platform supporting PDA mobile operations and EHS safety management. Reporting integrated with FanRuan BI for per-vehicle process parameter traceability.

Xiaomi Auto — Battery Pack Line Monitoring

Battery PACK Line

Cell module → PACK assembly full-process data acquisition and quality traceability. Real-time process parameter monitoring, equipment OEE analysis and early warning. All-Siemens PLC connectivity: S7 / S7CommPlus.