12bet mobile app

Tombing 12bet mobile app is a mobile device used to excavate underground tunnels and gravel，Also removes rock fragments and other debris。The Group started designing and testing tunnel boring 12bet mobile app prototypes in 2010。The Group is currently testing five prototype tunnel boring 12bet mobile app prototypes，Depending on its cutting power，Generally classified as light、Medium and heavy duty。The Group’s tunnel boring machines are expected to operate in a variety of mining conditions，And expected to be used in other engineering applications，Like a railway、Highway、Subway and other engineering settings。