sales of construction projects kelly bar damping spring
FEATURE
1. Adopt high-speed bearing metal sealed technology , long working life under the screw drilling condition
2. High efficiency cutting edge and structure to improve drill speed.
3. Cutter shell self-protection shape to reduce abrasion of detritus and unbreakable rock
4. Best choice for directional well, horizontal hole and horizontal branch wells .
Company Profile
Jietaihaoli specialized in rotary piling rig maintenance and aftersale professional maintenace team, 15 years abundant experience.
We can maintain piling rig machine inculde abroad brand IMT, Soilmec, Bauer, Mait, Casagrande, and home brand SANY XCMG CRRC, Zoomlion, Sunward etc
