Bauer rotary drilling rig Double Wall Casing For Piling Foundation BJTUFF drilling casing items adopt the high-carbon steel and special welding method ...
Customized Double Wall Casing With Tempered Steel Joint For Piling Application: 1. Casing is used to minimize loosening of the soil structure around ....
Diameter 800/880 Bauer Standard Double Wall Casing For Foundation Building Casing tube is different from temporary casing, according to its structure ...