Shandong China Coal Group Instrument Branch

On July 23th, a batch of Pipe Inspection Crawler Camera was inspected and loaded in the China Coal Group E-Commerce Industrial Park.

On the morning of July 17, Vice Chairman of Jining City Federation of Industry and Commerce Jiao Jundao

Measurement methods:

In order to standardize the unmanned aircraft engaged in operational flight activities and promote the safe,

On the afternoon of July 6, a reporter from the TV station of Jining High-tech Zone accompanied by Xie Hualiang,