Gold Index: 22234
Langfang Baiwei Drill Co.,Ltd [China (Mainland)]
Business Type:Manufacturer, Trading Company, Service, Other City: Langfang Province/State: Hebei Country/Region: China (Mainland)
WB114/65,WB127/76,DB127/76,WB140/88,WB219/130
During the drill , compress air goes into the annular through the air box, then the debris go up in the inner hole under the effect of waterhead.
2018-10-24
Gas pipe is a new type drill pipe that can discharge dregs by itself. The drill pipe not only retains the advantages of ordinary pipe, but also improv
2015-06-10
89mm-127mm
Dual-Wall Drill Pipe are used for reverse circulation drilling system.Our products are not outstanding in quality but also value.
2015-05-28