Common PLC Brands in the Chinese Market: Siemens Dominates, While Domestic Innovations Spark Hope

Detail

In China’s $2.4 billion PLC market (based on 2023 data), foreign giants like Siemens, Mitsubishi, and Omron still command a formidable 70% of the share. However, heavily invested homegrown brands are mounting a serious challenge. This analysis explores the competitive shifts, niche strengths, and the future of industrial control in the world's largest manufacturing hub.

With a 40%+ market share, Siemens remains unrivaled in the Chinese market. Its dominance stems from:

The TIA Portal software and PROFINET industrial Ethernet protocol create smoothly integration across factories.

Modular designs and robust testing ensure stable performance in extreme environments, such as high-temperature automotive assembly lines.

Despite supply chain disruptions in 2020, 2022, Siemens’ market share hit a new peak, driven by end-users’ trust in its “proven and lasting” reputation.

Historically dominated southern China’s light industry with compact PLCs like the FX series. Its ladder logic programming remains a benchmark for domestic developers.

Specialized in motion control, Omron’s EtherCAT solutions are critical in lithium battery and photovoltaic (PV) production lines, often paired successfully with domestic servo systems.