Kelly Strips for Rotary Drilling Rig Kelly Bar
Kelly Strips for Rotary Drilling Rig Kelly Bar These sizes are available. 30*13 30*15 30*22 40*12 40*15 40*16 40*18 40*20 40*22 50*18 50*20 70*18 70*22 80*28 Pls feel free to contact me for further information. Mobile/ Whatsapp/ Wechat: +86-186 7000 3195 Email: amy@hm-machinery.com