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On July 11th, Indian merchants visited China Coal Group to purchase a batch of engineering machinery and equipment and plant protection drones. Li Zhenbo, General Manager of Informatization of China C

Here are some brief precautions for using a multi-gas detector:

On July 3, Ms. Aoya, the person in charge of the Mongolian railway project, visited China Coal Group to negotiate and sign a procurement contract on the procurement of materials for the new key railwa

On June 20, General Manager Li Feng, the general agent of Moscow, Russia, visited China Coal Group and signed a strategic cooperation agreement. Xue Meng, General Manager of China Transport Engineerin

1. Make sure that there is no obstruction between the detection port of the Radiation Detector and the measured radioactive source during use.

1. Press the 'power switch' after the instrument starts, the default detection mode is 'magnetic field radiation intensity' detection, more than 2 milliseconds Gauss alarm, at this time can long press