Drilling accessories

Please kindly find the our business line as follows:
1. DTH bits, similar or equal DHD, COP and SD series bits;
2. DTH hammers, similar or equal DHD, COP and SD series hammers;
3. Button bits, connection tapered or threaded, diameter from 33mm to 127mm;
4. Cross bits, connection tapered or threaded, diameter from 28mm to 95mm;
5. Coupling sleeves, R25, R32, R38, T38, T45, T51;
6. ODEX systeme;
7. Air leg rock drill, Hand held air leg rock drill;
8. Rotary holes tools;
9. Diamond core bits and reaming shell;
10. Self-drilling grouting bolt;