From PLC product line perspective

   From PLC product line perspective, Nanda proud extension NA400 and NA200 two existing series. NA400 series PLC is mainly used in all kinds of engineering automation, especially in the petrochemical industry, coal mining, rail transportation, plc analog input output io module  water conservancy and hydropower, plc analog input modules building automation, environmental protection, municipal and other areas;  plc controllers  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.