Yellow Color Length 800mm Diameter 2200mm Drilling Buckets For Earth Soil 1. CO2 gas shielded welding and submerged arc welding 2.Materials: Q345B, .....
Rotary ISO9001 2008 130*130 Kelly Box Drilling Buckets For Foundation 1. CO2 gas shielded welding and submerged arc welding 2.Materials: Q345B, wear.....
Centrifugal 600mm Diameter 16mm Thick Drilling Buckets For Sand And Gravel 1. CO2 gas shielded welding and submerged arc welding 2.Materials: Q345B, ....