Rotary OD600mm 20mm Thickness Soil And Rock Drilling Auger 1. CO2 gas shielded welding and submerged arc welding 2.Materials: Q345B, wear-resistant .....
Customized Color 600mm Rock Auger Rotary For Deep Foundation 1. CO2 gas shielded welding and submerged arc welding 2.Materials: Q345B, wear-resistant ...