Automatic Proctor, not many school teaching aids use are as shown in the picture. If you are interested, please come.|Industrial Control|PLC|SCADA|DCS|RTU|HMI|Robot|Industrial PC|Instrument|Frequency Converter|Motor|Drive|Sensor

Automatic Proctor, not many school teaching aids use are as shown in the picture. If you are interested, please come.

Price：$31

Taxation：Not Include

Invoice：Invoices can be issued, but additional taxes and fees need to be paid

Quality：Can Be Guaranteed

Technology：Can Provide Technical Support

Product Details

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