High Working Efficiency PDC Drilling Bit for Coal Miner Mining
Shaanxi Zuanlong Drilling Machine Co., Ltd.Base Info
- Model NO.：L-00530
- Type：Mini Drill
- Usage：Well Drilling
- Certification：ISO9001
- Color：Gold or as Customer Need
- Material：Carbon Steel, Diamond
- Use：Coal Mining or Water Well
- Surface Treatment：Polishing
- Advantage：Long Working Life
- Feature：Fast Working
- Trademark：zlong
- Transport Package：10,PCS
- Specification：75mm
- Origin：Xi′an
- HS Code：6101961467
Description