Interlock kelly bar and frictional kelly bar for any type rotary drilling rig ben@chinaunimate.com

Interlock kelly bar and frictional kelly bar for any type rotary drilling rig

Diameter: as per demand

Sections: 3,4,5,6

Material: 27SiMn or 35CrMo

Quality: 1 year guaranteed

For more information please visit: www.chinaunimate.com

or contact details as following:

ben@chinaunimate.com

www.chinaunimate.en.alibaba.com

skype: benbinliang

+8615274889628(whats app/viber/wechat available)