GD3500-LS HDD Machine in Natural Gas Pipeline crossing project getting through the mountain in Qujing City Yunnan Province

Project Name： Natural Gas Pipeline crossing project getting through the mountain.

Project location：Qujing City Yunnan Province

Pipe Specification：Φ426mm steel pipe

Construction Equipment：GD3500-LS HDD Machine

Crossing length：1000m

Soil condition: Sand、Rock

Project description: This project cross big mountain, and the total crossing length is more than 1200m.