Unimate made the longgest interlocking kelly bar OD:630mm

Unimate made the longest 630mm 4*24meters kelly bar match for the biggest rotary drilling rig CSR550 in Asia !

500-2500mm rock core barrel is facing moorstone 120~250MPa

www.chinaunimate.com 

For more details please contact:

ben@chinaunimate.com / +8615274889628(whatsapp/wechat/viber)