From PLC product line perspective

 From PLC product line perspective, Nanda proud extension NA400 and NA200 two existing series.plc cpu NA400 series PLC is mainly used in all kinds of engineering automation, plc ethernet module  especially in the petrochemical industry, coal mining, rail transportation, water conservancy and hydropower, building automation,  plc cpu module environmental protection, municipal and other areas; NA200 series PLC, mainly in the field of automation engineering with NA400 series of product applications, focusing on logic control of packaging machinery, food pharmaceutical machinery, lifting machinery, engineering machinery, textile machinery and other fields.